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 9.19321e-02 2.82559e-02 263 2002 8 8.01731e-02 2.85228e-02 545 2002 9 1.59758e-01 1.05879e-01 585 2002 10 1.36305e-01 6.07428e-02 829 2002 11 1.01152e-01 4.50808e-02 982 2002 12 1.79780e-01 6.43996e-02 678 2003 1 2.33623e-01 9.01151e-02 1088 2003 2 9.42485e-02 2.98720e-02 640 2003 3 1.44386e+00 1.53733e+00 229 2003 4 2.54988e-01 1.92371e-01 319 2003 5 7.06201e-01 3.05979e-01 64 2003 6 9.32094e-02 5.53585e-02 269 2003 7 6.49391e-01 9.58842e-01 103 2003 8 2.54010e-01 2.78029e-01 419 2003 9 1.58265e-01 1.13405e-01 634 2003 10 1.89957e-01 2.48540e-01 937 2003 11 1.05248e-01 3.91325e-02 1009 2003 12 1.49425e-01 4.21598e-02 883 2004 1 1.33974e-01 5.97946e-02 843 2004 2 8.88368e-02 2.27591e-02 192 2004 3 1.64892e-01 1.13251e-01 943 2004 4 1.17320e-01 7.39630e-02 704 2004 5 1.04915e-01 5.24942e-02 804 2004 6 1.21474e-01 4.01005e-02 397 2004 7 2.27743e-01 1.16313e-01 362 2004 8 1.12008e-01 4.04877e-02 595 2004 9 2.36544e-01 1.33121e-01 397 2004 10 1.20919e+00 3.72428e-01 235 2004 11 1.06583e+00 5.74764e-01 446 2004 12 7.71773e-01 3.40786e-01 576 2005 1 4.51934e-01 3.74990e-01 768 2005 2 3.72933e-01 1.59188e-01 512 2005 3 2.83895e-01 9.83416e-02 604 2005 4 4.85871e-01 4.39317e-01 343 2005 5 1.94980e-01 2.36614e-01 511 2005 6 3.77861e-01 3.11714e-01 431 2005 7 8.84091e-01 8.68426e-01 501 2005 8 1.27201e-01 7.43830e-02 60 2005 9 4.23191e-01 2.11831e-01 369 2005 10 2.71271e-01 1.88444e-01 1014 2005 11 1.27431e-01 3.52524e-02 1109 2005 12 1.08934e-01 4.30183e-02 1024 2006 1 1.50448e-01 5.88768e-02 896 2006 2 2.31465e-01 1.20214e-01 768 2006 3 5.00878e-01 5.09908e-01 952 2006 4 3.42682e-01 3.54633e-01 565 2006 5 7.46264e-02 3.51875e-02 827 2006 6 8.58805e-02 3.00549e-02 398 2006 7 1.43755e-01 7.39122e-02 597 2006 8 1.43256e-01 1.39130e-01 493 2006 9 1.77337e-01 6.10501e-02 704 2006 10 1.15957e-01 4.78809e-02 911 2006 11 7.60793e-02 2.38554e-02 1021 2006 12 8.92696e-02 5.75688e-02 558 2007 1 5.57951e-02 1.72770e-02 576 2007 2 6.35675e-02 3.29390e-02 832 2007 3 4.78869e-02 1.26004e-02 1210 2007 4 7.90295e-02 5.02374e-02 765 2007 5 4.87066e-02 1.27456e-02 472 2007 6 6.88846e-02 2.03535e-02 573 2007 7 1.16887e-01 3.63190e-02 497 2007 8 1.63743e-01 6.62115e-02 510 2007 9 1.61941e-01 4.89127e-02 694 2007 10 6.81973e-02 1.99949e-02 761 2007 11 4.49074e-02 9.92898e-03 1216 2007 12 5.75965e-02 3.69171e-02 837 2008 1 4.21455e-02 2.48710e-02 897 2008 2 5.01458e-02 2.18408e-02 1108 2008 3 1.53935e-01 1.05508e-01 905 2008 4 3.69187e-01 3.26682e-01 741 2008 5 2.80524e-01 1.55000e-01 635 2008 6 3.29129e-01 5.96823e-01 416 2008 7 9.59655e-02 2.97759e-02 430 2008 8 1.45934e-01 2.45078e-02 369 2008 9 3.76496e-01 5.14729e-01 880 2008 10 1.88522e-01 1.00513e-01 1033 2008 11 1.21856e-01 5.27210e-02 1021 2008 12 2.62265e-01 7.96120e-02 785 2009 1 2.28410e-01 6.50358e-02 704 2009 2 1.34201e-01 3.69811e-02 1009 2009 3 8.06973e-02 3.88794e-02 958 2009 4 1.62968e-01 8.39603e-02 627 2009 5 6.22633e-01 1.02931e+00 231 2009 6 1.21243e-01 7.55582e-02 574 2009 7 1.29960e-01 4.37550e-02 384 2009 8 2.33376e-01 1.52892e-01 568 2009 9 1.76700e-01 1.59602e-01 812 2009 10 1.14582e-01 3.10675e-02 745 2009 11 9.45851e-02 3.19947e-02 695 2009 12 1.33852e-01 2.15720e-02 256 2010 1 3.44105e-01 1.31880e-01 960 2010 2 6.61934e-01 5.58085e-01 744 2010 3 7.65029e-01 5.77685e-01 932 2010 4 1.35146e+00 1.37146e+00 536 2010 5 2.84877e-01 2.48352e-01 642 2010 6 1.59854e-01 5.46433e-02 576 2010 7 2.02784e-01 9.07198e-02 420 2010 8 4.24586e-01 9.04448e-01 424 2010 9 1.53165e-01 4.88264e-02 768 2010 10 1.12684e-01 6.89556e-02 1583 2010 11 6.59536e-02 1.97381e-02 1190 2010 12 7.77761e-02 3.61805e-02 1079 2011 1 6.63458e-02 1.49710e-02 832 2011 2 7.04301e-02 1.76030e-02 748 2011 3 8.32722e-02 3.38154e-02 877 2011 4 7.34533e-02 2.37902e-02 1069 2011 5 6.88451e-02 2.00086e-02 704 2011 6 6.76057e-02 1.32336e-02 308 2011 7 1.76076e-01 9.35432e-02 389 2011 8 1.06988e-01 6.27959e-02 660 2011 9 9.81590e-02 6.92616e-02 792 2011 10 6.65961e-02 3.27862e-02 1022 2011 11 3.61148e-02 1.13454e-02 1110 2011 12 3.75145e-02 1.03045e-02 1009 2012 1 5.19862e-02 2.31557e-02 1307 2012 2 3.59751e-02 7.41018e-03 432 2012 3 4.65170e-02 1.83853e-02 853 2012 4 6.94888e-02 1.69912e-02 1024 2012 5 9.45397e-02 2.91837e-02 495 2012 6 1.84964e-01 1.21517e-01 443 2012 7 7.59163e-01 1.12769e+00 446 2012 8 1.19505e+00 1.70230e+00 305 2012 9 7.32628e-01 4.47901e-01 448 2012 10 3.87866e-01 2.50283e-01 904 2012 11 2.98241e-01 1.47326e-01 982 2012 12 2.42802e-01 6.39785e-02 739 2013 1 1.20383e-01 5.92921e-02 704 2013 2 9.76490e-02 3.89004e-02 696 2013 3 4.25850e-01 6.68194e-01 831 2013 4 6.12098e-01 1.52998e+00 412 2013 5 2.13733e-01 7.97895e-02 546 2013 6 2.29692e-01 1.50796e-01 480 2013 7 4.50486e-01 5.01181e-01 132 2013 8 1.65218e+00 1.34704e+00 192 2013 9 5.66840e-01 4.94859e-01 757 2013 10 3.25216e-01 3.78484e-01 964 2013 11 1.73999e-01 1.07607e-01 528 2013 12 7.45491e-02 5.25223e-02 724 2014 1 1.04888e-01 4.01012e-02 466 2014 2 3.49558e-01 4.20777e-01 701 2014 3 3.92620e-01 2.64283e-01 712 2014 4 5.22857e-01 2.89930e-01 367 2014 5 1.24376e+00 1.51211e+00 141 2014 6 2.70116e-01 2.41237e-01 312 2014 7 2.61260e-01 1.76727e-01 547 2014 8 1.15952e-01 2.97455e-02 384 2014 9 4.14347e-01 1.20045e+00 599 2014 10 1.99793e-01 1.45232e-01 1408 2014 11 8.70590e-02 6.00634e-02 1017 2014 12 5.89370e-02 3.66618e-02 848 2015 1 7.40009e-02 5.82011e-02 884 2015 2 1.71433e-01 1.41126e-01 704 2015 3 6.32228e-01 5.87588e-01 508 2015 4 3.95806e-01 2.10327e-01 192 2015 5 1.85805e-01 1.02176e-01 840 2015 6 1.33981e-01 7.10523e-02 419 2015 7 1.95984e-01 8.95754e-02 229 2015 8 3.13139e-01 1.25765e-01 513 2015 9 2.73684e-01 2.21621e-01 262 2015 10 1.37070e-01 7.13772e-02 857 2015 11 2.13091e-01 1.75710e-01 788 2015 12 8.63593e-02 4.41358e-02 506 2016 1 8.95821e-02 2.46307e-02 704 2016 2 2.20764e-01 8.27322e-02 1175 2016 3 2.76613e-01 1.14512e-01 737 2016 4 3.26373e-01 1.83903e-01 485 2016 5 4.37246e-01 4.75445e-01 861 2016 6 1.37450e-01 5.19822e-02 533 2016 7 1.91950e-01 1.61513e-01 800 2016 8 2.23473e-01 1.34104e-01 765 2016 9 4.56738e-01 5.97997e-01 860 2016 10 9.81102e-02 6.84471e-02 988 2016 11 5.70899e-02 1.61585e-02 870 2016 12 4.46296e-02 1.27107e-02 776 2017 1 6.29130e-02 3.36697e-02 711 2017 2 1.01547e-01 4.73003e-02 1108 2017 3 8.35045e-02 4.59874e-02 1271 2017 4 1.10051e-01 3.46778e-02 825 2017 5 1.33905e-01 4.63272e-02 532 2017 6 1.07876e-01 4.02541e-02 447 2017 7 3.33310e-01 3.01981e-01 254 2017 8 2.05834e-01 1.22577e-01 573 2017 9 2.79609e-01 3.89172e-01 760 2017 10 6.13561e-01 3.89483e-01 801 2017 11 1.30006e-01 1.36181e-01 1190 2017 12 8.47599e-02 3.68121e-02 756 2018 1 7.10583e-02 1.82461e-02 812 2018 2 8.62187e-02 4.04471e-02 508 2018 3 9.53392e-02 3.32656e-02 834 2018 4 1.34041e-01 4.90618e-02 606 2018 5 1.09392e-01 3.10937e-02 492 2018 6 1.97361e-01 6.91602e-02 256 2018 7 3.18153e-01 3.26210e-01 321 2018 8 7.33661e-01 1.14420e+00 458 2018 9 3.30962e-01 4.28622e-01 828 2018 10 2.46420e-01 1.57562e-01 1156 2018 11 2.29778e-01 1.01909e-01 334 2018 12 3.51788e-01 1.63629e-01 704 2019 1 7.07523e-01 4.21613e-01 640 2019 2 1.05085e+00 1.38814e+00 307 2019 3 9.25627e-01 1.43425e+00 663 2019 4 8.24226e-01 5.88496e-01 385 2019 5 2.26371e-01 1.16548e-01 835 2019 6 1.60718e-01 7.60655e-02 257 2019 7 1.45916e-01 4.99120e-02 442 2019 8 2.66848e-01 1.47346e-01 637 2019 9 1.17471e-01 5.52585e-02 851 2019 10 1.23822e-01 4.20632e-02 850 2019 11 7.43183e-02 4.44220e-02 709 2019 12 1.06586e-01 4.78167e-02 527 2020 1 6.79320e-02 2.62418e-02 539 2020 2 8.90484e-02 4.87617e-02 543 2020 3 1.47369e-01 1.39223e-01 709 2020 4 1.94451e-01 5.88960e-02 742 2020 5 1.52671e-01 1.63258e-01 687 2020 6 2.10215e-01 1.22620e-01 639 2020 7 2.04643e-01 1.95037e-01 405 2020 8 8.12690e-01 9.76583e-01 301 2020 9 3.02842e-01 2.40573e-01 513 2020 10 4.12321e-01 4.21207e-01 990 2020 11 2.38277e-01 2.01143e-01 959 2020 12 1.59343e-01 1.36333e-01 672 2021 1 3.80079e-01 3.64165e-01 576 2021 2 4.13378e-01 1.19619e-01 384 2021 3 7.20757e-01 1.18042e+00 735 2021 4 1.54105e+00 1.66163e+00 615 2021 5 6.83488e-01 1.24771e+00 716 2021 6 1.27194e-01 5.66378e-02 244 2021 7 6.97834e-01 1.46775e+00 260 2021 8 1.36513e+00 1.72170e+00 451 2021 9 8.34498e-01 8.17872e-01 523 2021 10 8.63905e-01 1.17890e+00 682 2021 11 5.26261e-01 4.81404e-01 798 2021 12 5.12418e-01 5.94337e-01 491 2022 1 4.40990e-01 4.38502e-01 971 2022 2 1.61311e-01 8.02725e-02 834 2022 3 3.47972e-01 3.73301e-01 772 2022 4 1.49547e+00 2.33968e+00 244 2022 5 3.21143e-01 1.82003e-01 615 2022 6 1.85869e-01 8.77708e-02 567 2022 7 2.62175e-01 6.53921e-01 369 2022 8 1.80244e-01 6.50912e-02 434 2022 9 1.75312e-01 1.07611e-01 444 2022 10 1.19401e-01 4.63405e-02 1342 2022 11 7.90603e-02 2.62554e-02 534 2022 12 6.91323e-02 3.26481e-02 1026 2023 1 7.88709e-02 2.49086e-02 851 2023 2 7.46819e-02 2.29835e-02 718 2023 3 1.72696e-01 1.82273e-01 728 2023 4 9.31131e-02 4.18589e-02 398 2023 5 1.30006e-01 7.85877e-02 448 2023 6 8.49167e-02 3.54628e-02 344 2023 7 1.14776e-01 3.23540e-02 446 2023 8 1.93914e-01 8.86591e-02 738 2023 9 2.56863e-01 1.11077e-01 601 2023 10 1.47334e-01 6.20261e-02 779 2023 11 1.24789e-01 8.69705e-02 768 2023 12 1.33232e-01 5.76244e-02 320 2024 1 3.56047e-01 5.47938e-01 552 2024 2 6.77705e-01 8.28307e-01 490 2024 3 5.59556e-01 8.89127e-01 194 2024 4 nan nan 0