YEAR MONTH MEAN STDEV COUNT 2002 1 nan nan 0 2002 2 nan nan 0 2002 3 nan nan 0 2002 4 nan nan 0 2002 5 nan nan 0 2002 6 nan nan 0 2002 7 1.25876e-01 3.53905e-02 260 2002 8 1.41566e-01 3.24968e-02 266 2002 9 1.75830e-01 3.69817e-02 217 2002 10 2.15986e-01 1.18014e-01 505 2002 11 2.08100e-01 9.81377e-02 959 2002 12 1.34087e-01 1.62433e-02 940 2003 1 1.46275e-01 2.62655e-02 657 2003 2 1.15870e-01 9.15750e-03 325 2003 3 9.47981e-02 9.77650e-03 786 2003 4 8.82295e-02 4.21236e-03 248 2003 5 7.95660e-02 6.44285e-03 203 2003 6 3.71450e-01 1.18170e-02 64 2003 7 1.89334e-01 1.39692e-02 124 2003 8 1.18176e-01 1.92647e-02 256 2003 9 1.15625e-01 1.77638e-02 492 2003 10 1.43203e-01 2.62429e-02 447 2003 11 1.34863e-01 1.82004e-02 505 2003 12 1.32208e-01 2.52988e-02 497 2004 1 1.18059e-01 1.80748e-02 920 2004 2 1.27721e-01 1.83463e-02 570 2004 3 9.33999e-02 2.35855e-02 581 2004 4 7.85437e-02 7.58003e-03 640 2004 5 8.46251e-02 3.36916e-03 105 2004 6 1.34351e-01 1.52094e-02 208 2004 7 1.96796e-01 7.39694e-02 321 2004 8 1.35105e-01 1.75421e-02 250 2004 9 1.20464e-01 1.85600e-02 217 2004 10 1.23961e-01 2.20780e-02 544 2004 11 1.40364e-01 1.61487e-02 769 2004 12 1.18941e-01 1.07630e-02 1101 2005 1 1.30104e-01 1.09317e-02 852 2005 2 1.04192e-01 2.41757e-02 927 2005 3 7.47680e-02 1.46683e-02 616 2005 4 5.67496e-02 7.78149e-03 570 2005 5 7.69241e-02 8.57398e-03 288 2005 6 nan nan 0 2005 7 1.35863e-01 1.68792e-02 140 2005 8 1.24163e-01 5.75732e-03 134 2005 9 9.14367e-02 1.53027e-02 264 2005 10 1.20065e-01 3.16564e-02 178 2005 11 1.32502e-01 2.53880e-02 670 2005 12 1.28835e-01 6.19189e-02 1007 2006 1 1.14654e-01 1.22090e-02 433 2006 2 1.20895e-01 1.34663e-02 893 2006 3 1.13935e-01 1.49661e-02 826 2006 4 1.18321e-01 3.66306e-02 256 2006 5 8.40597e-02 1.37091e-02 371 2006 6 7.77674e-02 4.14355e-03 64 2006 7 1.21987e-01 1.26293e-02 257 2006 8 nan nan 0 2006 9 1.17254e-01 1.24564e-02 448 2006 10 9.91525e-02 6.69194e-03 256 2006 11 1.18330e-01 1.36431e-02 841 2006 12 1.36417e-01 9.24509e-03 786 2007 1 1.37097e-01 1.47164e-02 1218 2007 2 9.22175e-02 1.50216e-02 448 2007 3 8.55510e-02 9.37940e-03 382 2007 4 6.75689e-02 2.70264e-02 396 2007 5 7.98339e-02 1.61516e-03 73 2007 6 1.03513e-01 3.30226e-02 334 2007 7 1.30706e-01 3.15035e-02 109 2007 8 1.24830e-01 1.64928e-02 241 2007 9 1.05333e-01 1.50795e-02 212 2007 10 1.14660e-01 1.57081e-02 237 2007 11 1.23052e-01 2.21148e-02 539 2007 12 1.64052e-01 2.61503e-02 832 2008 1 1.18772e-01 1.51926e-02 1024 2008 2 1.00945e-01 1.23400e-02 730 2008 3 7.45859e-02 1.37813e-02 576 2008 4 9.67422e-02 2.94027e-02 256 2008 5 9.74569e-02 1.68184e-02 308 2008 6 1.49007e-01 8.12953e-03 192 2008 7 1.60315e-01 2.87692e-02 256 2008 8 1.27463e-01 2.11485e-02 320 2008 9 1.14236e-01 1.41270e-02 256 2008 10 1.30722e-01 3.43972e-02 703 2008 11 1.03071e-01 1.28890e-02 901 2008 12 9.54938e-02 8.27178e-03 1142 2009 1 8.94825e-02 1.14475e-02 803 2009 2 8.67099e-02 1.18146e-02 485 2009 3 8.34256e-02 6.89718e-03 663 2009 4 8.10814e-02 2.34808e-02 576 2009 5 3.38466e-01 2.04295e-01 320 2009 6 3.44394e-01 1.90261e-01 128 2009 7 1.51873e-01 1.24923e-02 164 2009 8 1.06834e-01 1.53041e-02 448 2009 9 1.28227e-01 3.03133e-02 428 2009 10 1.52399e-01 4.92255e-02 709 2009 11 1.25596e-01 1.59147e-02 788 2009 12 1.25545e-01 1.51015e-02 620 2010 1 1.33304e-01 2.24247e-02 592 2010 2 1.14263e-01 1.88514e-02 723 2010 3 7.87276e-02 1.17734e-02 448 2010 4 8.04482e-02 7.15962e-03 309 2010 5 1.04151e-01 1.72588e-02 228 2010 6 1.13586e-01 2.21964e-02 192 2010 7 2.54400e-01 1.33785e-01 128 2010 8 2.82615e-01 4.93190e-02 199 2010 9 2.18235e-01 5.60535e-02 166 2010 10 1.24269e-01 1.57062e-02 299 2010 11 1.99602e-01 3.25473e-02 704 2010 12 1.74047e-01 1.93702e-02 640 2011 1 1.25455e-01 1.14830e-02 576 2011 2 1.14242e-01 1.68594e-02 679 2011 3 9.91051e-02 9.57540e-03 924 2011 4 7.20957e-02 9.73020e-03 636 2011 5 1.03591e-01 2.36338e-02 256 2011 6 1.07693e-01 9.44866e-03 128 2011 7 1.38943e-01 1.99787e-02 192 2011 8 1.52704e-01 7.21769e-03 264 2011 9 1.36370e-01 2.73195e-02 419 2011 10 1.04904e-01 1.40963e-02 397 2011 11 1.11010e-01 1.99218e-02 841 2011 12 1.00972e-01 1.46536e-02 690 2012 1 1.22519e-01 1.54959e-02 1133 2012 2 1.09184e-01 1.90467e-02 844 2012 3 7.93398e-02 1.09744e-01 648 2012 4 6.66464e-02 3.22452e-02 372 2012 5 8.11443e-02 1.54374e-02 288 2012 6 7.87671e-02 5.26250e-04 64 2012 7 1.22646e-01 9.86111e-03 170 2012 8 1.98693e-01 8.96645e-02 128 2012 9 1.57626e-01 2.80364e-02 464 2012 10 1.00733e-01 1.04510e-02 399 2012 11 1.12642e-01 2.01764e-02 779 2012 12 1.36350e-01 2.38935e-02 780 2013 1 1.34129e-01 1.60540e-02 631 2013 2 9.62594e-02 1.46727e-02 694 2013 3 6.49107e-02 8.76139e-03 681 2013 4 1.43226e-01 3.49556e-02 320 2013 5 1.10811e-01 2.01758e-02 189 2013 6 8.67223e-02 2.87246e-04 5 2013 7 1.56272e-01 1.96167e-02 320 2013 8 1.54390e-01 1.63108e-02 256 2013 9 1.14320e-01 2.89615e-02 125 2013 10 1.15435e-01 2.34571e-02 320 2013 11 2.00594e-01 3.98484e-02 836 2013 12 1.61129e-01 4.83836e-02 326 2014 1 1.44187e-01 1.16359e-02 849 2014 2 1.07205e-01 2.18797e-02 824 2014 3 6.94579e-02 6.10689e-03 456 2014 4 6.67124e-02 8.88860e-03 336 2014 5 7.73944e-02 1.28339e-02 227 2014 6 1.09159e-01 7.59454e-03 256 2014 7 1.07121e-01 1.91124e-02 264 2014 8 2.76459e-01 5.85401e-02 88 2014 9 1.08572e-01 1.00988e-02 204 2014 10 1.63000e-01 6.39971e-02 576 2014 11 1.66195e-01 3.95269e-02 848 2014 12 1.23797e-01 1.38008e-02 685 2015 1 1.23652e-01 2.19827e-02 608 2015 2 9.38541e-02 1.15316e-02 675 2015 3 9.37396e-02 1.16393e-02 704 2015 4 7.03956e-02 1.46755e-02 569 2015 5 7.40778e-02 0.00000e+00 2 2015 6 nan nan 0 2015 7 2.75340e-01 1.23331e-02 64 2015 8 1.83145e-01 2.23672e-02 448 2015 9 1.26828e-01 2.41215e-02 338 2015 10 9.43929e-02 1.01046e-02 636 2015 11 1.06495e-01 2.08806e-02 428 2015 12 1.29055e-01 1.94691e-02 651 2016 1 1.31991e-01 1.41326e-02 1047 2016 2 8.33527e-02 1.28833e-02 890 2016 3 9.83504e-02 1.61313e-02 320 2016 4 8.07403e-02 7.77803e-03 433 2016 5 1.47622e-01 2.72920e-02 289 2016 6 1.05236e-01 1.05177e-02 194 2016 7 1.42026e-01 9.87729e-03 192 2016 8 1.75627e-01 5.79916e-02 190 2016 9 1.18881e-01 1.88299e-02 448 2016 10 1.10960e-01 1.36857e-02 357 2016 11 1.05551e-01 4.32037e-03 323 2016 12 1.31530e-01 2.00840e-02 829 2017 1 1.58529e-01 1.52779e-02 935 2017 2 1.14026e-01 1.92079e-02 955 2017 3 8.25926e-02 1.31820e-02 530 2017 4 7.78695e-02 1.92228e-02 576 2017 5 7.40580e-02 7.19054e-03 314 2017 6 1.99975e-01 1.15591e-01 384 2017 7 2.28774e-01 6.91215e-02 340 2017 8 3.33604e-01 8.22412e-02 311 2017 9 1.95143e-01 2.14146e-02 193 2017 10 1.30210e-01 1.74637e-02 249 2017 11 1.46353e-01 1.32094e-02 484 2017 12 1.32999e-01 1.17694e-02 940 2018 1 1.15137e-01 1.72401e-02 749 2018 2 1.22636e-01 2.06394e-02 788 2018 3 8.65760e-02 1.71858e-02 673 2018 4 8.07439e-02 1.85250e-02 320 2018 5 1.15397e-01 1.25306e-02 324 2018 6 1.36509e-01 2.16619e-02 319 2018 7 1.48540e-01 2.43456e-02 102 2018 8 1.55677e-01 6.13344e-02 341 2018 9 1.92769e-01 4.14396e-02 407 2018 10 2.51583e-01 1.04827e-01 541 2018 11 2.26591e-01 6.85636e-02 905 2018 12 1.62793e-01 7.16250e-02 759 2019 1 1.34128e-01 1.69520e-02 787 2019 2 1.01155e-01 1.16155e-02 725 2019 3 8.73973e-02 1.41056e-02 622 2019 4 7.11987e-02 5.73150e-03 480 2019 5 6.54897e-02 3.67947e-03 128 2019 6 1.10972e-01 2.86486e-02 172 2019 7 2.60822e-01 9.39055e-02 333 2019 8 1.16576e-01 1.59438e-02 129 2019 9 1.42970e-01 2.29563e-02 11 2019 10 1.22339e-01 1.79775e-02 392 2019 11 1.41017e-01 9.88919e-03 900 2019 12 1.33769e-01 2.11897e-02 709 2020 1 1.18387e-01 1.50851e-02 716 2020 2 1.15127e-01 1.57423e-02 646 2020 3 7.75689e-02 1.45252e-02 650 2020 4 7.48030e-02 7.74638e-03 558 2020 5 9.11139e-02 6.40115e-03 269 2020 6 7.71088e-02 1.18911e-02 496 2020 7 1.35734e-01 2.67092e-02 285 2020 8 1.12542e-01 3.45527e-03 128 2020 9 9.08977e-02 1.38101e-02 320 2020 10 9.07723e-02 9.29853e-03 301 2020 11 1.17971e-01 1.30772e-02 585 2020 12 1.23642e-01 1.35020e-02 1049 2021 1 1.36932e-01 2.19348e-02 735 2021 2 1.14718e-01 1.20313e-02 512 2021 3 8.95853e-02 9.84854e-03 650 2021 4 8.03359e-02 1.10689e-02 512 2021 5 1.02737e-01 2.05345e-02 464 2021 6 3.76969e-01 9.51996e-02 256 2021 7 2.29196e-01 5.98504e-02 196 2021 8 2.41791e-01 6.18081e-02 256 2021 9 1.50020e-01 2.81931e-02 611 2021 10 2.63853e-01 1.13384e-01 305 2021 11 1.95239e-01 4.20633e-02 745 2021 12 2.01714e-01 5.48797e-02 1060 2022 1 1.29056e-01 1.61545e-02 845 2022 2 9.36696e-02 1.05091e-02 931 2022 3 7.85595e-02 6.85459e-03 552 2022 4 6.77157e-02 4.32726e-03 128 2022 5 7.80959e-02 6.12831e-03 149 2022 6 8.18029e-02 6.94517e-03 384 2022 7 1.34130e-01 6.06487e-03 256 2022 8 1.28950e-01 9.44054e-03 377 2022 9 1.35343e-01 1.00356e-02 256 2022 10 1.08061e-01 2.24913e-02 417 2022 11 1.46694e-01 2.20310e-02 601 2022 12 1.31392e-01 2.28021e-02 1116 2023 1 1.03387e-01 1.93216e-02 1094 2023 2 8.73033e-02 1.42107e-02 659 2023 3 5.99556e-02 1.23569e-02 640 2023 4 8.89255e-02 3.84579e-02 544 2023 5 8.26817e-02 1.08132e-02 400 2023 6 7.00554e-02 6.54781e-03 118 2023 7 1.03538e-01 1.66194e-02 192 2023 8 1.21888e-01 2.21879e-02 384 2023 9 1.14961e-01 1.22735e-02 384 2023 10 7.64331e-02 1.36111e-02 489 2023 11 1.13949e-01 1.74551e-02 590 2023 12 9.98592e-02 1.80815e-02 911 2024 1 9.69613e-02 5.16418e-02 853 2024 2 7.60629e-02 7.91986e-03 673 2024 3 5.29879e-02 6.33876e-03 512 2024 4 4.48091e-02 9.59426e-03 384 2024 5 7.69779e-02 1.59569e-02 365 2024 6 7.37276e-02 4.12217e-04 28 2024 7 1.29085e-01 1.25711e-01 184 2024 8 1.39726e-01 5.32962e-02 256 2024 9 7.82408e-02 1.10287e-02 268 2024 10 1.46913e-01 2.31213e-02 463 2024 11 1.18672e-01 2.22389e-02 128