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 1.52081e-01 1.17757e-01 847 2002 8 1.41613e-01 3.25117e-02 670 2002 9 1.83910e-01 3.44207e-02 1001 2002 10 2.34236e-01 6.33774e-02 461 2002 11 2.33615e-01 5.39388e-02 835 2002 12 1.79065e-01 2.68936e-02 378 2003 1 1.69989e-01 4.15457e-02 873 2003 2 1.87857e-01 5.02903e-02 576 2003 3 1.34042e-01 3.14506e-02 448 2003 4 1.71550e-01 5.33465e-02 236 2003 5 1.14854e-01 2.87147e-02 63 2003 6 1.22798e-01 6.84396e-02 573 2003 7 1.46977e-01 7.92087e-02 370 2003 8 1.41695e-01 3.71703e-02 627 2003 9 2.07919e-01 8.55222e-02 763 2003 10 2.67670e-01 1.74429e-01 798 2003 11 2.56208e-01 4.38318e-02 603 2003 12 1.85119e-01 4.55840e-02 545 2004 1 2.25532e-01 5.14599e-02 494 2004 2 2.29979e-01 9.77050e-02 536 2004 3 1.85966e-01 5.33492e-02 620 2004 4 1.45077e-01 5.65021e-02 256 2004 5 1.09216e-01 2.59603e-02 322 2004 6 1.09036e-01 5.57090e-02 690 2004 7 1.54102e-01 7.81387e-02 761 2004 8 1.60718e-01 5.51316e-02 949 2004 9 2.20425e-01 8.56790e-02 751 2004 10 1.89235e-01 7.02270e-02 544 2004 11 2.75773e-01 6.36535e-02 256 2004 12 2.16525e-01 7.29658e-02 595 2005 1 1.89185e-01 3.44006e-02 640 2005 2 2.45048e-01 6.37822e-02 458 2005 3 1.92274e-01 8.45931e-02 724 2005 4 1.31851e-01 3.27298e-02 383 2005 5 1.54155e-01 5.81733e-02 305 2005 6 1.18718e-01 6.05431e-02 427 2005 7 1.01101e-01 5.51618e-02 69 2005 8 1.72763e-01 1.19104e-01 637 2005 9 2.78142e-01 1.58200e-01 907 2005 10 2.19983e-01 7.18718e-02 1039 2005 11 2.41515e-01 9.71229e-02 446 2005 12 2.27256e-01 5.40887e-02 915 2006 1 2.45167e-01 7.35346e-02 591 2006 2 5.54874e-01 2.48634e-01 397 2006 3 2.20967e-01 1.18693e-01 778 2006 4 1.98517e-01 1.86702e-01 442 2006 5 1.64030e-01 6.07452e-02 126 2006 6 1.43939e-01 5.57098e-02 782 2006 7 1.69098e-01 8.27296e-02 246 2006 8 2.00230e-01 1.25062e-01 400 2006 9 2.38272e-01 4.22307e-02 1019 2006 10 1.89703e-01 3.40606e-02 824 2006 11 2.60083e-01 1.15893e-01 770 2006 12 2.08094e-01 3.06252e-02 758 2007 1 1.77155e-01 3.35907e-02 991 2007 2 1.54290e-01 4.99686e-02 752 2007 3 1.64053e-01 5.73878e-02 614 2007 4 2.28970e-01 4.47458e-02 179 2007 5 1.62466e-01 3.20581e-02 61 2007 6 1.63751e-01 8.80265e-02 643 2007 7 1.76737e-01 1.00958e-01 303 2007 8 1.68390e-01 1.21925e-01 654 2007 9 2.50784e-01 1.19252e-01 746 2007 10 2.56016e-01 1.51922e-01 680 2007 11 2.53610e-01 1.12522e-01 788 2007 12 2.36111e-01 4.70421e-02 749 2008 1 2.51053e-01 5.22392e-02 457 2008 2 2.24977e-01 2.53289e-02 391 2008 3 2.01901e-01 8.70139e-02 459 2008 4 1.17201e-01 2.71632e-02 248 2008 5 1.03809e-01 2.12271e-02 64 2008 6 2.82808e-01 2.63066e-01 104 2008 7 2.27243e-01 8.76754e-02 223 2008 8 2.72124e-01 2.31704e-01 151 2008 9 2.60828e-01 1.06042e-01 158 2008 10 2.88571e-01 9.22103e-02 524 2008 11 1.97133e-01 4.49102e-02 561 2008 12 1.90032e-01 6.86761e-02 905 2009 1 1.96773e-01 4.30345e-02 715 2009 2 1.56539e-01 3.00127e-02 225 2009 3 1.67958e-01 2.15107e-02 338 2009 4 2.00592e-01 3.98549e-02 79 2009 5 1.87607e-01 8.88890e-02 135 2009 6 1.31436e-01 7.16340e-02 365 2009 7 1.22515e-01 1.99118e-02 213 2009 8 1.71156e-01 4.25432e-02 248 2009 9 2.70955e-01 2.12668e-01 414 2009 10 2.85073e-01 5.74115e-02 259 2009 11 1.93054e-01 5.58637e-02 301 2009 12 1.82679e-01 7.18286e-02 633 2010 1 1.88581e-01 3.40289e-02 850 2010 2 1.68762e-01 3.62656e-02 453 2010 3 1.33765e-01 4.02264e-02 378 2010 4 1.39377e-01 1.70909e-02 190 2010 5 1.64431e-01 4.00381e-02 256 2010 6 1.79029e-01 1.06263e-01 251 2010 7 9.26312e-02 2.31593e-02 448 2010 8 1.32174e-01 6.27729e-02 122 2010 9 4.56868e-01 4.12901e-01 470 2010 10 3.09913e-01 1.72152e-01 889 2010 11 2.64119e-01 7.85464e-02 1128 2010 12 2.09856e-01 4.54187e-02 780 2011 1 1.76946e-01 3.01581e-02 608 2011 2 1.77061e-01 3.68768e-02 564 2011 3 1.59389e-01 3.76955e-02 536 2011 4 1.78720e-01 6.52856e-02 87 2011 5 1.47217e-01 2.58596e-02 128 2011 6 1.54890e-01 4.41883e-02 379 2011 7 1.65086e-01 5.90307e-02 192 2011 8 1.22824e-01 1.95658e-01 673 2011 9 1.67429e-01 9.92071e-02 678 2011 10 2.09262e-01 6.12733e-02 576 2011 11 2.20635e-01 3.01045e-02 459 2011 12 1.81830e-01 3.84979e-02 1016 2012 1 1.57765e-01 3.01051e-02 685 2012 2 2.01189e-01 2.75277e-02 553 2012 3 1.99874e-01 3.38273e-02 318 2012 4 1.12262e-01 1.90615e-02 192 2012 5 nan nan 0 2012 6 1.09248e-01 3.60018e-02 422 2012 7 1.02391e-01 2.73332e-02 128 2012 8 1.33982e-01 8.51409e-02 667 2012 9 2.11882e-01 7.77088e-02 744 2012 10 2.39360e-01 1.20186e-01 606 2012 11 2.12565e-01 8.33497e-02 583 2012 12 1.81875e-01 6.11138e-02 453 2013 1 1.56046e-01 3.66796e-02 551 2013 2 1.61752e-01 5.92230e-02 737 2013 3 1.57105e-01 4.27774e-02 547 2013 4 1.78199e-01 4.79775e-02 165 2013 5 1.05470e-01 3.39542e-02 256 2013 6 1.11502e-01 4.16861e-02 320 2013 7 1.06912e-01 3.16849e-02 433 2013 8 1.21329e-01 5.13494e-02 896 2013 9 1.88960e-01 6.70601e-02 852 2013 10 1.76820e-01 4.69493e-02 967 2013 11 1.65271e-01 4.19316e-02 554 2013 12 2.01854e-01 5.30084e-02 808 2014 1 1.54174e-01 2.95514e-02 790 2014 2 1.58758e-01 3.69518e-02 704 2014 3 1.48230e-01 4.05551e-02 691 2014 4 1.63442e-01 3.93437e-02 256 2014 5 1.14250e-01 4.29727e-02 464 2014 6 1.11913e-01 3.31886e-02 448 2014 7 1.51129e-01 5.39805e-02 586 2014 8 1.41410e-01 5.91430e-02 499 2014 9 1.74524e-01 3.42570e-02 921 2014 10 2.48543e-01 6.18757e-02 878 2014 11 2.14467e-01 5.09455e-02 882 2014 12 1.87822e-01 3.92682e-02 1212 2015 1 1.77327e-01 4.16531e-02 738 2015 2 1.44306e-01 3.28911e-02 576 2015 3 1.53962e-01 3.81301e-02 558 2015 4 1.32387e-01 2.73713e-02 241 2015 5 1.81661e-01 1.36228e-01 82 2015 6 1.24664e-01 3.81424e-02 609 2015 7 1.80611e-01 1.09932e-01 287 2015 8 1.56245e-01 9.92862e-02 334 2015 9 2.57270e-01 4.31304e-02 209 2015 10 2.29679e-01 5.17369e-02 192 2015 11 2.39890e-01 7.87255e-02 629 2015 12 2.06517e-01 4.52841e-02 749 2016 1 1.56795e-01 2.58307e-02 828 2016 2 1.45094e-01 1.54812e-02 1132 2016 3 2.18561e-01 6.40627e-02 460 2016 4 1.41627e-01 3.12022e-02 562 2016 5 9.85601e-02 2.65451e-02 401 2016 6 8.51175e-02 2.73559e-02 417 2016 7 1.46195e-01 7.56950e-02 725 2016 8 1.32589e-01 7.83248e-02 590 2016 9 3.41049e-01 2.15275e-01 769 2016 10 2.31326e-01 6.81601e-02 670 2016 11 2.07855e-01 6.35052e-02 627 2016 12 2.11208e-01 7.04883e-02 411 2017 1 1.68725e-01 2.54438e-02 752 2017 2 1.74173e-01 3.19869e-02 615 2017 3 1.63097e-01 5.09273e-02 369 2017 4 1.18058e-01 6.55207e-02 259 2017 5 1.11403e-01 1.27000e-02 128 2017 6 1.32555e-01 2.88766e-02 774 2017 7 2.69304e-01 1.94400e-01 347 2017 8 1.85002e-01 1.07731e-01 482 2017 9 8.43355e-01 4.18847e-01 405 2017 10 4.19618e-01 3.83735e-01 431 2017 11 2.21928e-01 4.02581e-02 653 2017 12 2.23738e-01 5.79095e-02 849 2018 1 1.79554e-01 4.29794e-02 896 2018 2 1.73567e-01 2.24939e-02 679 2018 3 2.25156e-01 8.62066e-02 641 2018 4 2.02616e-01 3.52448e-02 265 2018 5 1.97784e-01 9.76969e-02 285 2018 6 9.15656e-02 3.95436e-03 64 2018 7 1.47160e-01 7.24562e-02 437 2018 8 1.24615e-01 4.49974e-02 704 2018 9 1.60087e-01 7.88436e-02 546 2018 10 2.46704e-01 1.38835e-01 381 2018 11 2.35193e-01 3.85485e-02 405 2018 12 1.99732e-01 2.74540e-02 528 2019 1 2.07895e-01 1.61446e-02 264 2019 2 1.80828e-01 4.92519e-02 609 2019 3 1.57945e-01 3.72544e-02 875 2019 4 2.04765e-01 1.81729e-01 491 2019 5 1.55312e-01 3.46465e-02 590 2019 6 1.24854e-01 4.03156e-02 764 2019 7 1.16669e-01 3.69420e-02 502 2019 8 1.26587e-01 3.58775e-02 911 2019 9 1.74592e-01 6.23672e-02 1172 2019 10 2.36464e-01 4.54821e-02 748 2019 11 2.43050e-01 5.21177e-02 640 2019 12 2.40956e-01 3.25653e-02 659 2020 1 2.29417e-01 4.57884e-02 819 2020 2 2.18623e-01 5.88898e-02 683 2020 3 1.99467e-01 5.79762e-02 797 2020 4 1.96807e-01 6.47965e-02 356 2020 5 1.59732e-01 6.67506e-02 254 2020 6 1.08416e-01 4.61839e-02 779 2020 7 1.07902e-01 3.27537e-02 683 2020 8 9.35891e-02 2.20204e-02 476 2020 9 2.63313e-01 1.53781e-01 957 2020 10 2.46472e-01 1.14047e-01 1345 2020 11 2.26408e-01 4.62686e-02 704 2020 12 2.82336e-01 1.04679e-01 466 2021 1 2.23719e-01 4.15782e-02 719 2021 2 2.13118e-01 4.62909e-02 785 2021 3 2.17577e-01 5.09170e-02 573 2021 4 1.51745e-01 2.78662e-02 113 2021 5 1.13882e-01 3.95078e-02 396 2021 6 1.36920e-01 4.63035e-02 509 2021 7 8.93831e-02 2.16581e-02 862 2021 8 1.56143e-01 8.98659e-02 599 2021 9 2.40008e-01 8.54414e-02 1085 2021 10 2.50362e-01 8.04032e-02 1270 2021 11 2.25256e-01 4.86713e-02 669 2021 12 2.27772e-01 4.03669e-02 507 2022 1 1.82577e-01 3.73483e-02 592 2022 2 1.65624e-01 2.83011e-02 866 2022 3 2.05044e-01 3.89106e-02 512 2022 4 2.76957e-01 1.75099e-02 61 2022 5 1.19354e-01 3.37745e-02 181 2022 6 1.31826e-01 5.09069e-02 486 2022 7 8.47426e-02 2.86960e-02 122 2022 8 1.31527e-01 1.01948e-01 327 2022 9 2.17007e-01 1.30542e-01 592 2022 10 2.09782e-01 5.01162e-02 1054 2022 11 1.94205e-01 4.68979e-02 314 2022 12 1.60740e-01 2.88607e-02 682 2023 1 1.35446e-01 1.98990e-02 592 2023 2 1.72276e-01 3.74350e-02 512 2023 3 1.26069e-01 1.55066e-02 834 2023 4 1.01455e-01 1.77310e-02 899 2023 5 9.94879e-02 1.72698e-02 330 2023 6 8.97300e-02 1.67447e-02 691 2023 7 9.61992e-02 2.57174e-02 960 2023 8 1.25558e-01 5.93377e-02 611 2023 9 2.89877e-01 1.04771e-01 885 2023 10 2.54914e-01 9.36777e-02 742 2023 11 2.30119e-01 4.43260e-02 718 2023 12 1.97100e-01 3.44770e-02 742 2024 1 1.86197e-01 4.12030e-02 1093 2024 2 1.59688e-01 2.37045e-02 1024 2024 3 1.71163e-01 4.09634e-02 763 2024 4 1.12106e-01 1.99986e-02 162