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 8.20406e-02 1.55353e-02 871 2002 8 1.16447e-01 3.55496e-02 731 2002 9 1.59469e-01 4.71693e-02 1075 2002 10 1.75930e-01 3.95954e-02 732 2002 11 2.57740e-01 3.88560e-02 921 2002 12 1.99622e-01 3.52435e-02 449 2003 1 1.73083e-01 5.26114e-02 766 2003 2 1.86419e-01 3.17338e-02 623 2003 3 1.52243e-01 4.47585e-02 574 2003 4 1.02080e-01 2.65679e-02 384 2003 5 1.05543e-01 5.10618e-02 346 2003 6 6.26517e-02 1.04319e-02 704 2003 7 1.00558e-01 2.32368e-02 617 2003 8 1.04372e-01 3.46278e-02 1073 2003 9 1.85913e-01 6.06109e-02 1241 2003 10 1.85696e-01 5.30552e-02 764 2003 11 2.06167e-01 5.26793e-02 831 2003 12 2.27056e-01 4.77711e-02 533 2004 1 2.02021e-01 3.77230e-02 648 2004 2 1.97522e-01 3.99525e-02 640 2004 3 1.38869e-01 2.36756e-02 836 2004 4 9.59623e-02 2.66656e-02 382 2004 5 1.47887e-01 8.63139e-02 509 2004 6 1.02331e-01 2.58369e-02 843 2004 7 8.18417e-02 1.53410e-02 906 2004 8 1.20765e-01 3.37225e-02 884 2004 9 1.81225e-01 5.23712e-02 925 2004 10 1.78681e-01 4.32028e-02 735 2004 11 2.60965e-01 6.56460e-02 256 2004 12 1.94052e-01 3.58506e-02 564 2005 1 1.70791e-01 1.97258e-02 588 2005 2 1.77469e-01 3.01534e-02 493 2005 3 1.23732e-01 2.90346e-02 838 2005 4 1.05786e-01 2.44057e-02 646 2005 5 8.92167e-02 2.63653e-02 383 2005 6 1.20182e-01 3.46912e-02 558 2005 7 1.23136e-01 2.33929e-02 192 2005 8 1.25688e-01 5.75253e-02 866 2005 9 2.27928e-01 5.36592e-02 1364 2005 10 2.09755e-01 5.33977e-02 1142 2005 11 2.13822e-01 3.22493e-02 640 2005 12 2.46667e-01 4.83230e-02 903 2006 1 1.97646e-01 4.47929e-02 655 2006 2 1.48011e-01 3.63460e-02 436 2006 3 1.19052e-01 4.05400e-02 977 2006 4 8.41227e-02 2.07045e-02 450 2006 5 8.99893e-02 1.73712e-02 281 2006 6 1.08461e-01 5.03254e-02 1103 2006 7 9.76805e-02 2.22540e-02 512 2006 8 1.87200e-01 8.47378e-02 233 2006 9 2.12657e-01 5.73098e-02 1051 2006 10 2.05629e-01 6.39088e-02 769 2006 11 2.48402e-01 6.31149e-02 977 2006 12 2.74908e-01 7.88630e-02 748 2007 1 1.84647e-01 3.38040e-02 917 2007 2 1.66731e-01 3.34528e-02 1022 2007 3 1.24392e-01 1.98887e-02 686 2007 4 1.17728e-01 1.23667e-02 128 2007 5 9.65391e-02 3.52372e-02 128 2007 6 1.01099e-01 1.69340e-02 697 2007 7 1.29349e-01 3.41483e-02 260 2007 8 1.02400e-01 4.03472e-02 566 2007 9 2.04037e-01 4.94874e-02 996 2007 10 2.06210e-01 4.48914e-02 832 2007 11 2.26332e-01 4.55040e-02 918 2007 12 2.05837e-01 4.15309e-02 640 2008 1 1.71818e-01 3.41356e-02 288 2008 2 1.60074e-01 1.97758e-02 399 2008 3 1.21598e-01 2.03481e-02 704 2008 4 8.63266e-02 1.86512e-02 376 2008 5 9.58562e-02 1.05668e-02 64 2008 6 1.65761e-01 1.50299e-01 113 2008 7 1.44886e-01 4.89237e-02 233 2008 8 2.35418e-01 1.40026e-01 210 2008 9 2.72353e-01 8.32486e-02 246 2008 10 2.52093e-01 5.42197e-02 625 2008 11 2.39195e-01 5.41830e-02 623 2008 12 1.83385e-01 3.41963e-02 955 2009 1 1.34656e-01 2.58277e-02 846 2009 2 1.37274e-01 3.48353e-02 320 2009 3 1.37584e-01 2.05909e-02 427 2009 4 9.24000e-02 2.32293e-02 83 2009 5 9.15681e-02 1.95573e-02 282 2009 6 9.77335e-02 2.61398e-02 448 2009 7 1.49161e-01 1.83201e-02 176 2009 8 1.22931e-01 2.96050e-02 415 2009 9 1.76973e-01 7.61067e-02 366 2009 10 2.24330e-01 5.40576e-02 522 2009 11 1.76156e-01 4.38098e-02 405 2009 12 1.70335e-01 5.73173e-02 568 2010 1 1.65640e-01 2.58493e-02 889 2010 2 1.46696e-01 1.65778e-02 494 2010 3 1.13916e-01 2.66322e-02 541 2010 4 1.25233e-01 2.82573e-02 267 2010 5 1.12593e-01 1.48063e-02 444 2010 6 1.00620e-01 2.33794e-02 427 2010 7 9.63171e-02 3.99501e-02 545 2010 8 1.16029e-01 3.81740e-02 170 2010 9 1.25440e-01 3.98927e-02 664 2010 10 1.99830e-01 5.01290e-02 895 2010 11 1.80651e-01 3.31230e-02 1304 2010 12 1.59710e-01 4.91999e-02 954 2011 1 1.55085e-01 2.10456e-02 510 2011 2 1.43008e-01 1.89304e-02 433 2011 3 1.23935e-01 2.29473e-02 756 2011 4 1.42181e-01 4.53575e-02 298 2011 5 7.84675e-02 2.72625e-02 249 2011 6 8.15456e-02 9.06395e-03 412 2011 7 8.02189e-02 2.10963e-02 444 2011 8 9.16589e-02 2.35751e-02 982 2011 9 1.57204e-01 3.95263e-02 884 2011 10 1.98710e-01 5.15452e-02 737 2011 11 2.00511e-01 5.20159e-02 436 2011 12 1.93955e-01 4.79639e-02 1088 2012 1 1.77955e-01 3.08644e-02 774 2012 2 1.90918e-01 4.51644e-02 679 2012 3 1.52377e-01 1.95616e-02 519 2012 4 8.24555e-02 1.47506e-02 256 2012 5 nan nan 0 2012 6 7.22005e-02 1.54034e-02 383 2012 7 8.78740e-02 1.17128e-02 311 2012 8 9.02984e-02 3.51470e-02 555 2012 9 1.38602e-01 3.62295e-02 754 2012 10 1.35639e-01 7.19927e-02 787 2012 11 1.45012e-01 5.15462e-02 640 2012 12 1.37767e-01 2.02239e-02 308 2013 1 1.50473e-01 4.14002e-02 526 2013 2 1.38034e-01 1.85980e-02 699 2013 3 1.35723e-01 2.32905e-02 800 2013 4 8.83570e-02 2.80990e-02 256 2013 5 6.30400e-02 8.11317e-03 370 2013 6 9.09463e-02 3.87670e-02 663 2013 7 7.42705e-02 1.06625e-02 562 2013 8 1.20693e-01 5.35409e-02 866 2013 9 1.31005e-01 4.21779e-02 1003 2013 10 1.74480e-01 6.59051e-02 978 2013 11 1.58362e-01 3.93436e-02 528 2013 12 1.67983e-01 5.44346e-02 928 2014 1 1.30767e-01 4.43014e-02 653 2014 2 1.17293e-01 1.72695e-02 830 2014 3 9.47342e-02 1.76391e-02 629 2014 4 1.02372e-01 3.82891e-02 512 2014 5 7.51508e-02 1.33745e-02 512 2014 6 5.94077e-02 9.28765e-03 701 2014 7 8.63098e-02 2.38795e-02 847 2014 8 9.84165e-02 2.48973e-02 592 2014 9 1.26549e-01 4.67665e-02 1050 2014 10 1.72025e-01 4.52288e-02 984 2014 11 1.70648e-01 3.47369e-02 884 2014 12 1.54914e-01 3.77208e-02 1151 2015 1 1.54899e-01 1.88433e-02 689 2015 2 1.23926e-01 2.61760e-02 576 2015 3 1.04958e-01 2.09839e-02 736 2015 4 1.35256e-01 5.68696e-02 338 2015 5 1.25546e-01 4.23504e-02 332 2015 6 8.46012e-02 1.92567e-02 690 2015 7 1.19363e-01 8.62673e-03 128 2015 8 9.23660e-02 2.94001e-02 677 2015 9 1.65296e-01 2.95250e-02 258 2015 10 1.92578e-01 2.96110e-02 422 2015 11 2.28325e-01 7.84937e-02 680 2015 12 2.01275e-01 3.75874e-02 842 2016 1 1.68606e-01 2.55299e-02 919 2016 2 1.56512e-01 2.35295e-02 1203 2016 3 1.32426e-01 3.00327e-02 613 2016 4 8.97130e-02 2.61896e-02 752 2016 5 8.02236e-02 1.88277e-02 704 2016 6 6.00669e-02 1.42066e-02 705 2016 7 8.13477e-02 1.87326e-02 745 2016 8 8.41583e-02 2.17280e-02 768 2016 9 1.95989e-01 8.39344e-02 868 2016 10 1.94977e-01 4.60348e-02 929 2016 11 1.88516e-01 4.04993e-02 533 2016 12 2.09917e-01 3.88046e-02 600 2017 1 2.28320e-01 6.31888e-02 576 2017 2 1.43597e-01 2.26741e-02 640 2017 3 1.23777e-01 2.80375e-02 667 2017 4 5.99131e-02 5.96932e-03 320 2017 5 9.40921e-02 1.57765e-02 328 2017 6 7.14366e-02 1.92132e-02 973 2017 7 8.38654e-02 1.88068e-02 312 2017 8 7.38847e-02 2.26762e-02 576 2017 9 1.32572e-01 3.71252e-02 318 2017 10 2.52709e-01 1.02133e-01 784 2017 11 2.20876e-01 5.04152e-02 606 2017 12 1.96805e-01 5.76992e-02 839 2018 1 1.42205e-01 2.93508e-02 1011 2018 2 1.71334e-01 3.72694e-02 576 2018 3 1.24333e-01 2.85048e-02 831 2018 4 9.51026e-02 1.50185e-02 384 2018 5 1.02847e-01 1.57510e-02 530 2018 6 1.00024e-01 3.48911e-02 564 2018 7 8.65496e-02 1.95464e-02 842 2018 8 1.30763e-01 4.24229e-02 885 2018 9 1.29776e-01 3.30867e-02 862 2018 10 1.44756e-01 4.53706e-02 340 2018 11 1.83661e-01 4.66261e-02 506 2018 12 1.74057e-01 2.37090e-02 619 2019 1 1.86492e-01 3.52505e-02 320 2019 2 1.52604e-01 1.80313e-02 698 2019 3 1.45677e-01 2.80863e-02 932 2019 4 1.01213e-01 2.63535e-02 684 2019 5 1.29942e-01 3.68277e-02 793 2019 6 7.17949e-02 2.98678e-02 1014 2019 7 6.23220e-02 9.10033e-03 936 2019 8 8.62375e-02 1.80773e-02 1137 2019 9 1.72669e-01 5.04682e-02 1283 2019 10 2.16684e-01 4.80894e-02 680 2019 11 2.10697e-01 3.78083e-02 623 2019 12 1.73747e-01 2.62751e-02 450 2020 1 1.50647e-01 1.66309e-02 894 2020 2 1.63522e-01 2.91107e-02 865 2020 3 1.46713e-01 3.06742e-02 832 2020 4 9.91332e-02 1.72337e-02 485 2020 5 8.17127e-02 3.71943e-02 527 2020 6 5.86363e-02 1.06557e-02 974 2020 7 8.02786e-02 1.62485e-02 814 2020 8 1.01830e-01 2.85797e-02 512 2020 9 2.08524e-01 5.43803e-02 879 2020 10 1.99864e-01 3.59828e-02 1406 2020 11 1.89096e-01 3.61210e-02 521 2020 12 2.04232e-01 3.38822e-02 530 2021 1 1.83491e-01 2.26559e-02 826 2021 2 1.57851e-01 1.60572e-02 778 2021 3 1.48934e-01 2.03871e-02 638 2021 4 8.27416e-02 8.43833e-03 257 2021 5 6.04641e-02 9.81645e-03 627 2021 6 6.45808e-02 1.26857e-02 897 2021 7 8.00982e-02 1.33288e-02 896 2021 8 1.45023e-01 1.25238e-01 793 2021 9 2.07594e-01 8.18897e-02 1044 2021 10 2.01282e-01 3.86578e-02 1249 2021 11 2.20529e-01 6.06383e-02 702 2021 12 1.78134e-01 3.96895e-02 548 2022 1 1.51171e-01 2.88495e-02 614 2022 2 1.40003e-01 2.37006e-02 768 2022 3 1.52431e-01 2.41536e-02 512 2022 4 1.33925e-01 3.54831e-02 128 2022 5 7.02057e-02 9.51360e-03 384 2022 6 6.76123e-02 1.02667e-02 373 2022 7 7.33134e-02 1.84605e-02 402 2022 8 7.76141e-02 1.59266e-02 384 2022 9 1.09614e-01 2.53974e-02 760 2022 10 1.70049e-01 4.38631e-02 1024 2022 11 1.81991e-01 5.65402e-02 382 2022 12 1.62218e-01 4.21774e-02 697 2023 1 1.60889e-01 3.44759e-02 448 2023 2 1.32437e-01 4.62319e-02 478 2023 3 8.10089e-02 1.00159e-02 609 2023 4 8.96404e-02 1.01278e-02 787 2023 5 8.09045e-02 1.22436e-02 448 2023 6 7.24787e-02 1.08272e-02 877 2023 7 7.07749e-02 8.19510e-03 829 2023 8 9.10335e-02 2.84218e-02 681 2023 9 1.48153e-01 3.82366e-02 808 2023 10 2.28347e-01 5.03375e-02 751 2023 11 2.69760e-01 1.08534e-01 585 2023 12 2.15255e-01 6.45956e-02 740 2024 1 1.61236e-01 2.80441e-02 1016 2024 2 1.22684e-01 1.86382e-02 1121 2024 3 1.03885e-01 1.35166e-02 730 2024 4 8.27297e-02 9.24455e-03 128