count mean std min 25% 50% 75% max
yr mo
2014 01 2,678,400.000000 49.999121 0.059092 49.567000 49.957000 49.994000 50.040000 50.281000
02 2,419,200.000000 49.999557 0.057811 49.633000 49.959000 49.994000 50.038000 50.243000
03 2,674,800.000000 49.999840 0.056943 49.734000 49.959000 49.995000 50.039000 50.259000
04 2,592,000.000000 49.999814 0.054305 49.578000 49.961000 49.995000 50.037000 50.319000
05 2,678,400.000000 49.999973 0.053779 49.748000 49.962000 49.995000 50.037000 50.303000
06 2,592,000.000000 50.000752 0.050118 49.777000 49.965000 49.997000 50.035000 50.253000
07 2,678,400.000000 50.001300 0.049566 49.758000 49.966000 49.998000 50.035000 50.300000
08 2,678,400.000000 49.998368 0.052326 49.628000 49.961000 49.994000 50.034000 50.250000
09 2,592,000.000000 49.999971 0.052354 49.715000 49.963000 49.996000 50.036000 50.254000
10 2,678,400.000000 49.999001 0.055415 49.556000 49.960000 49.996000 50.037000 50.241000
11 2,592,000.000000 50.000119 0.056599 49.705000 49.961000 49.998000 50.038000 50.279000
12 2,678,400.000000 49.998853 0.054474 49.720000 49.961000 49.995000 50.036000 50.222000
2015 01 2,678,400.000000 49.999787 0.059370 49.694000 49.957000 49.994000 50.040000 50.295000
02 2,419,200.000000 50.000202 0.056565 49.716000 49.960000 49.995000 50.039000 50.244000
03 2,678,400.000000 49.999735 0.055718 49.756000 49.960000 49.994000 50.038000 50.269000
04 2,592,000.000000 49.999664 0.051901 49.783000 49.963000 49.995000 50.035000 50.255000
05 2,678,400.000000 49.999504 0.051448 49.637000 49.963000 49.995000 50.034000 50.227000
06 2,592,000.000000 50.000182 0.049887 49.677000 49.964000 49.996000 50.034000 50.226000
07 2,678,400.000000 49.999445 0.052755 49.768000 49.961000 49.995000 50.036000 50.236000
08 2,678,400.000000 49.999607 0.053416 49.693000 49.962000 49.994000 50.036000 50.245000
09 2,592,000.000000 49.999583 0.051865 49.695000 49.963000 49.994000 50.035000 50.234000
10 2,678,400.000000 49.999626 0.055860 49.775000 49.960000 49.995000 50.037000 50.245000
11 2,592,000.000000 49.999770 0.058030 49.595000 49.958000 49.996000 50.039000 50.325000
12 2,678,400.000000 49.999793 0.055116 49.757000 49.961000 49.996000 50.037000 50.249000
2016 01 2,678,400.000000 50.000125 0.055868 49.631000 49.961000 49.996000 50.039000 50.230000
02 2,505,600.000000 49.999959 0.054133 49.789000 49.962000 49.997000 50.037000 50.229000
03 2,678,400.000000 49.999352 0.056035 49.738000 49.960000 49.995000 50.038000 50.254000
04 2,592,000.000000 49.999878 0.059400 49.747000 49.957000 49.995000 50.041000 50.269000
05 2,678,400.000000 49.999601 0.057202 49.702000 49.959000 49.996000 50.039000 50.270000
06 2,592,000.000000 49.999848 0.054363 49.588000 49.962000 49.997000 50.037000 50.263000
07 2,678,400.000000 49.999706 0.055510 49.707000 49.960000 49.996000 50.038000 50.245000
08 2,678,400.000000 49.999770 0.052781 49.585000 49.962000 49.995000 50.036000 50.291000
09 2,592,000.000000 49.999633 0.053231 49.650000 49.962000 49.994000 50.035000 50.310000
10 2,678,400.000000 50.000258 0.054953 49.755000 49.963000 49.997000 50.036000 50.252000
11 2,592,000.000000 49.999588 0.056556 49.575000 49.961000 49.997000 50.037000 50.312000
12 2,678,400.000000 49.999381 0.055308 49.721000 49.961000 49.997000 50.037000 50.253000
2017 01 2,678,400.000000 49.999793 0.057272 49.700000 49.960000 49.997000 50.039000 50.253000
02 2,419,200.000000 49.999686 0.062952 49.730000 49.955000 49.996000 50.043000 50.314000
03 2,678,400.000000 49.999693 0.061541 49.667000 49.956000 49.996000 50.042000 50.314000
04 2,592,000.000000 49.999544 0.057603 49.740000 49.959000 49.996000 50.039000 50.269000
05 2,678,400.000000 49.999438 0.057244 49.626000 49.959000 49.996000 50.040000 50.241000
06 2,592,000.000000 49.999730 0.058637 49.786000 49.958000 49.994000 50.041000 50.234000
07 2,678,400.000000 49.999840 0.058447 49.569000 49.958000 49.996000 50.041000 50.266000
08 2,678,400.000000 49.999702 0.059625 49.695000 49.958000 49.996000 50.041000 50.288000
09 2,592,000.000000 49.999914 0.060592 49.685000 49.956000 49.995000 50.042000 50.359000
10 2,678,400.000000 49.999851 0.065040 49.602000 49.954000 49.995000 50.044000 50.410000
11 2,592,000.000000 49.999915 0.062230 49.698000 49.956000 49.998000 50.043000 50.263000
12 2,678,400.000000 49.999794 0.060530 49.716000 49.957000 49.995000 50.042000 50.342000
2018 01 2,678,400.000000 49.998279 0.063057 49.728000 49.952000 49.992000 50.045000 50.286000
02 2,419,200.000000 49.999038 0.066638 49.625000 49.950000 49.992000 50.047000 50.304000
03 2,678,400.000000 49.998407 0.066643 49.686000 49.950000 49.990000 50.045000 50.306000
04 2,592,000.000000 50.000670 0.065470 49.699000 49.952000 49.995000 50.047000 50.299000
05 2,678,400.000000 49.998767 0.061135 49.728000 49.955000 49.990000 50.042000 50.251000
06 2,592,000.000000 50.000576 0.065116 49.677000 49.952000 49.992000 50.050000 50.271000
07 2,678,400.000000 49.999390 0.066160 49.689000 49.950000 49.995000 50.050000 50.291000
08 2,678,400.000000 49.999890 0.066557 49.679000 49.950000 49.997000 50.050000 50.289000
09 2,592,000.000000 49.999365 0.068534 49.746000 49.947000 49.997000 50.050000 50.342000
10 2,678,400.000000 50.000641 0.069178 49.598000 49.950000 50.000000 50.052000 50.256000
11 2,592,000.000000 49.999388 0.070056 49.701000 49.947000 49.997000 50.052000 50.291000
12 2,678,400.000000 50.000083 0.065476 49.726000 49.952000 50.000000 50.050000 50.251000
2019 01 2,678,400.000000 49.999461 0.067083 49.625000 49.950000 49.997000 50.050000 50.342000
02 2,419,200.000000 49.999948 0.067533 49.608000 49.949000 49.997000 50.050000 50.380000
03 2,678,400.000000 49.999166 0.064804 49.649000 49.950000 49.997000 50.047000 50.359000
04 2,592,000.000000 49.999552 0.063192 49.611000 49.951000 50.000000 50.047000 50.246000
05 2,678,400.000000 49.999530 0.062157 49.553000 49.952000 49.999000 50.046000 50.263000
06 2,592,000.000000 49.999347 0.065724 49.529000 49.950000 49.999000 50.048000 50.257000
07 2,678,400.000000 49.999510 0.063134 49.587000 49.951000 50.001000 50.046000 50.335000
08 2,678,400.000000 49.999747 0.061021 48.787000 49.955000 50.001000 50.044000 50.274000
09 2,592,000.000000 49.999524 0.063121 49.733000 49.952000 49.999000 50.046000 50.244000
10 2,678,400.000000 49.999289 0.062846 49.637000 49.953000 50.000000 50.045000 50.292000
11 2,592,000.000000 49.999755 0.063323 49.711000 49.953000 49.999000 50.046000 50.280000
12 2,678,400.000000 49.999399 0.065653 49.690000 49.950000 49.999000 50.048000 50.312000
2020 01 2,678,400.000000 49.999706 0.066901 49.735000 49.950000 49.998000 50.049000 50.264000
02 2,505,600.000000 50.000108 0.067354 49.574000 49.949000 49.997000 50.050000 50.293000
03 2,678,400.000000 49.998770 0.065229 49.696000 49.949000 49.998000 50.048000 50.273000
04 2,592,000.000000 49.999934 0.063690 49.712000 49.952000 49.999000 50.047000 50.283000
05 2,678,400.000000 49.999207 0.066222 49.712000 49.949000 49.998000 50.049000 50.273000
06 2,592,000.000000 49.999108 0.067197 49.686000 49.949000 50.000000 50.049000 50.295000
07 2,678,400.000000 49.999065 0.064728 49.685000 49.951000 49.999000 50.047000 50.326000
08 2,678,400.000000 49.999964 0.065087 49.683000 49.951000 49.999000 50.048000 50.298000
09 2,592,000.000000 49.999784 0.066686 49.677000 49.949000 50.001000 50.049000 50.312000
10 2,678,400.000000 49.998838 0.066868 49.596000 49.948000 49.998000 50.049000 50.293000
11 2,592,000.000000 50.000155 0.066119 49.747000 49.950000 50.001000 50.048000 50.397000
12 2,678,400.000000 49.999871 0.065637 49.710000 49.949000 49.998000 50.049000 50.299000
2021 01 2,678,400.000000 49.998951 0.065318 49.637000 49.949000 49.998000 50.048000 50.281000
02 2,419,200.000000 49.999661 0.065294 49.643000 49.951000 49.998000 50.049000 50.245000
03 2,678,400.000000 49.999476 0.064475 49.577000 49.951000 49.999000 50.047000 50.258000
04 2,592,000.000000 49.999942 0.061405 49.666000 49.954000 50.000000 50.046000 50.361000
05 2,678,400.000000 49.999146 0.061759 49.698000 49.952000 49.999000 50.045000 50.263000
06 2,592,000.000000 49.999600 0.056820 49.709000 49.957000 49.999000 50.042000 50.278000
07 2,678,400.000000 49.999820 0.056940 49.649000 49.957000 49.999000 50.043000 50.229000
08 2,678,400.000000 49.999397 0.056961 49.779000 49.956000 49.999000 50.042000 50.262000
09 2,592,000.000000 49.999736 0.059452 49.715000 49.955000 49.999000 50.044000 50.322000
10 2,678,400.000000 49.999704 0.062336 49.722000 49.952000 49.999000 50.045000 50.283000
11 2,592,000.000000 49.999214 0.067059 49.707000 49.948000 50.000000 50.049000 50.308000
12 2,678,400.000000 49.999326 0.065718 49.697000 49.950000 50.001000 50.049000 50.286000
2022 01 2,678,400.000000 49.999627 0.066502 49.698000 49.949000 50.002000 50.049000 50.282000
02 2,419,200.000000 49.998789 0.067501 49.695000 49.949000 50.000000 50.047000 50.250000
03 2,678,400.000000 50.000166 0.066229 49.666000 49.951000 50.003000 50.049000 50.294000
04 2,592,000.000000 49.999384 0.065917 49.641000 49.950000 50.001000 50.048000 50.340000
05 2,678,400.000000 49.999992 0.065877 49.707000 49.950000 50.001000 50.049000 50.341000
06 2,592,000.000000 49.999305 0.066083 49.707000 49.950000 50.001000 50.048000 50.315000
07 2,678,400.000000 49.999321 0.066154 49.682000 49.951000 50.001000 50.048000 50.352000
08 2,678,400.000000 49.999926 0.063289 49.743000 49.953000 50.003000 50.047000 50.260000
09 2,592,000.000000 49.999712 0.064260 49.742000 49.953000 50.005000 50.047000 50.245000
10 2,678,400.000000 49.999501 0.067863 49.713000 49.950000 50.003000 50.049000 50.303000
11 2,592,000.000000 49.999453 0.067321 49.719000 49.949000 50.003000 50.049000 50.273000
12 2,678,400.000000 49.999655 0.068682 49.664000 49.949000 50.006000 50.049000 50.297000
2023 01 2,678,400.000000 50.000033 0.067044 49.726000 49.950000 50.005000 50.048000 50.248000
02 2,419,200.000000 49.999102 0.066791 49.713000 49.949000 50.001000 50.048000 50.244000
03 2,678,400.000000 50.000479 0.068380 49.670000 49.949000 50.001000 50.052000 50.260000
04 2,592,000.000000 49.998264 0.067242 49.738000 49.947000 49.999000 50.048000 50.243000
05 2,678,400.000000 49.999625 0.068288 49.731000 49.948000 50.001000 50.051000 50.230000
06 2,592,000.000000 50.000266 0.066632 49.631000 49.950000 50.003000 50.051000 50.245000
07 2,678,400.000000 49.999172 0.070592 49.674000 49.946000 49.998000 50.051000 50.246000
08 2,678,400.000000 49.999293 0.071131 49.697000 49.945000 50.001000 50.053000 50.254000
09 2,592,000.000000 49.999802 0.071107 49.700000 49.946000 50.003000 50.054000 50.247000
10 2,678,400.000000 49.999589 0.073201 49.682000 49.943000 50.001000 50.056000 50.304000
11 2,592,000.000000 49.999365 0.075217 49.674000 49.940000 50.003000 50.058000 50.292000
12 2,678,400.000000 49.999715 0.073112 49.275000 49.942000 50.005000 50.055000 50.318000
2024 01 2,678,400.000000 49.999235 0.071176 49.713000 49.944000 50.010000 50.053000 50.254000
02 2,505,600.000000 49.999061 0.075960 49.732000 49.938000 50.004000 50.058000 50.310000
03 2,678,400.000000 50.000081 0.076385 49.634000 49.939000 50.007000 50.060000 50.243000
04 2,592,000.000000 49.999215 0.077277 49.721000 49.938000 50.000000 50.059000 50.299000
05 2,678,400.000000 49.999678 0.072036 49.699000 49.943000 50.005000 50.055000 50.260000
06 2,592,000.000000 49.999723 0.076913 49.661000 49.938000 50.003000 50.061000 50.308000
07 2,678,400.000000 49.999721 0.073853 49.675000 49.941000 50.004000 50.057000 50.235000
08 2,678,400.000000 49.999945 0.076831 49.700000 49.938000 50.006000 50.060000 50.277000
09 2,592,000.000000 49.999689 0.075595 49.727000 49.939000 50.003000 50.060000 50.248000
10 2,678,400.000000 49.999005 0.082153 49.594000 49.933000 50.000000 50.064000 50.321000
11 2,592,000.000000 49.999381 0.078000 49.717000 49.938000 50.001000 50.060000 50.260000
12 2,678,400.000000 49.999513 0.076463 49.700000 49.940000 50.001000 50.060000 50.261000
2025 01 2,678,400.000000 49.999597 0.076779 49.611000 49.939000 50.004000 50.060000 50.322000
02 2,419,200.000000 49.999668 0.072345 49.700000 49.943000 50.004000 50.056000 50.236000
03 2,678,400.000000 49.999317 0.069637 49.668000 49.945000 50.001000 50.053000 50.230000
04 2,592,000.000000 49.999000 0.069840 49.714000 49.944000 50.003000 50.053000 50.232000
05 2,678,400.000000 49.999612 0.071738 49.736000 49.943000 50.008000 50.055000 50.256000
06 2,592,000.000000 50.000073 0.077212 49.649000 49.938000 50.004000 50.061000 50.275000
07 2,678,400.000000 49.999497 0.068938 49.671000 49.945750 50.002000 50.052000 50.275000
08 2,678,400.000000 49.999671 0.070978 49.647000 49.944000 50.002000 50.055000 50.250000
09 2,592,000.000000 49.999626 0.074283 49.771000 49.939000 50.001000 50.059000 50.233000
10 2,678,400.000000 49.999636 0.075090 49.767000 49.939000 50.001000 50.060000 50.235000
11 2,592,000.000000 49.999770 0.078241 49.753000 49.936000 49.999000 50.064000 50.285000
12 2,678,400.000000 49.999569 0.078362 49.759000 49.934000 50.000000 50.064000 50.231000