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 3.20613e-01 6.62944e-02 199 2002 8 3.86777e-01 6.62227e-02 252 2002 9 4.99330e-01 1.98854e-01 252 2002 10 6.73487e-01 2.31242e-01 585 2002 11 4.68066e-01 1.12264e-01 1160 2002 12 4.20802e-01 9.02851e-02 788 2003 1 2.92197e-01 6.95220e-02 766 2003 2 3.61620e-01 6.16182e-02 636 2003 3 3.01691e-01 6.05237e-02 677 2003 4 3.80935e-01 8.61964e-02 128 2003 5 3.34609e-01 6.56149e-02 293 2003 6 5.54036e-01 5.27817e-02 64 2003 7 3.64884e-01 6.02436e-02 64 2003 8 3.92300e-01 8.79897e-02 135 2003 9 3.81556e-01 1.13485e-01 285 2003 10 3.55094e-01 8.42100e-02 509 2003 11 9.66668e-01 7.06666e-01 478 2003 12 4.60055e-01 1.92972e-01 717 2004 1 4.16221e-01 8.98181e-02 812 2004 2 3.74332e-01 1.15430e-01 814 2004 3 3.20976e-01 9.03913e-02 552 2004 4 3.19841e-01 9.84267e-02 525 2004 5 3.68322e-01 6.60640e-02 60 2004 6 3.75916e-01 1.00115e-01 247 2004 7 4.46345e-01 1.11345e-01 262 2004 8 3.86204e-01 1.23069e-01 316 2004 9 7.76873e-01 2.70964e-01 146 2004 10 3.93090e-01 1.04843e-01 184 2004 11 4.58728e-01 9.99810e-02 682 2004 12 3.24494e-01 6.80064e-02 769 2005 1 3.19251e-01 7.74438e-02 786 2005 2 2.92815e-01 6.53774e-02 593 2005 3 3.17909e-01 7.78190e-02 734 2005 4 3.60347e-01 1.08799e-01 504 2005 5 4.62976e-01 3.19560e-01 224 2005 6 nan nan 0 2005 7 3.81714e-01 7.08412e-02 128 2005 8 3.26997e-01 7.97753e-02 70 2005 9 3.73095e-01 9.81063e-02 140 2005 10 1.09089e+00 1.15526e+00 176 2005 11 4.05032e-01 1.08607e-01 307 2005 12 4.07537e-01 1.27486e-01 1018 2006 1 4.00545e-01 1.87080e-01 481 2006 2 2.96738e-01 5.75412e-02 808 2006 3 3.19649e-01 6.43177e-02 693 2006 4 3.70423e-01 8.01992e-02 378 2006 5 3.15229e-01 7.78922e-02 255 2006 6 4.16684e-01 1.42421e-01 132 2006 7 4.68282e-01 1.26513e-01 248 2006 8 7.17768e-01 9.64439e-03 2 2006 9 3.36885e-01 6.64819e-02 313 2006 10 3.55555e-01 8.36826e-02 261 2006 11 3.89598e-01 1.61441e-01 708 2006 12 4.65925e-01 1.21637e-01 1007 2007 1 3.40379e-01 6.62876e-02 992 2007 2 3.40464e-01 1.00213e-01 656 2007 3 3.26074e-01 7.37654e-02 425 2007 4 3.23451e-01 1.12221e-01 327 2007 5 2.74336e-01 6.83058e-02 128 2007 6 3.76950e-01 3.05429e-02 62 2007 7 3.35102e-01 6.02729e-02 189 2007 8 6.52107e-01 5.50507e-01 248 2007 9 6.55510e-01 1.69188e-01 192 2007 10 4.19314e-01 1.24900e-01 249 2007 11 3.78798e-01 1.34152e-01 524 2007 12 7.08148e-01 5.09599e-01 724 2008 1 4.05848e-01 1.65033e-01 1028 2008 2 3.18965e-01 6.99921e-02 776 2008 3 2.93427e-01 6.26174e-02 437 2008 4 2.30806e-01 7.83885e-02 249 2008 5 3.20927e-01 6.87882e-02 449 2008 6 3.77405e-01 5.64628e-02 64 2008 7 4.03549e-01 6.65236e-02 193 2008 8 3.60714e-01 1.32833e-01 256 2008 9 5.22269e-01 2.37477e-01 252 2008 10 4.48319e-01 1.47927e-01 469 2008 11 4.40040e-01 1.81211e-01 704 2008 12 3.55129e-01 1.06216e-01 879 2009 1 3.77070e-01 1.26372e-01 1183 2009 2 3.51797e-01 1.12570e-01 676 2009 3 2.80138e-01 6.93375e-02 428 2009 4 4.85495e-01 2.20117e-01 554 2009 5 5.71204e-01 1.11566e-01 150 2009 6 4.97854e-01 1.64468e-01 128 2009 7 3.56533e-01 6.66276e-02 359 2009 8 3.20221e-01 6.47770e-02 244 2009 9 3.87318e-01 1.07207e-01 236 2009 10 3.83315e-01 9.15204e-02 539 2009 11 4.52337e-01 1.21211e-01 883 2009 12 5.07224e-01 1.67380e-01 749 2010 1 4.16045e-01 1.42243e-01 754 2010 2 2.93975e-01 6.20215e-02 872 2010 3 3.45628e-01 6.76759e-02 441 2010 4 3.12259e-01 8.42698e-02 234 2010 5 3.56534e-01 7.05201e-02 238 2010 6 4.30156e-01 1.16464e-01 371 2010 7 3.79377e-01 1.04021e-01 116 2010 8 5.59106e-01 1.06138e-01 308 2010 9 4.09373e-01 8.27671e-02 212 2010 10 6.81698e-01 4.92155e-01 345 2010 11 5.09581e-01 2.03605e-01 416 2010 12 4.18690e-01 8.79767e-02 660 2011 1 3.13381e-01 6.44970e-02 744 2011 2 3.74203e-01 1.05343e-01 760 2011 3 3.60129e-01 1.08391e-01 728 2011 4 3.32370e-01 9.64274e-02 510 2011 5 2.78532e-01 8.75234e-02 253 2011 6 3.64540e-01 8.14259e-02 64 2011 7 3.02241e-01 7.95899e-02 147 2011 8 5.98390e-01 2.34000e-01 193 2011 9 6.88537e-01 9.64770e-02 256 2011 10 4.68333e-01 8.49802e-02 385 2011 11 4.45098e-01 1.25621e-01 629 2011 12 3.75262e-01 8.89251e-02 828 2012 1 3.08203e-01 9.07102e-02 828 2012 2 3.01446e-01 6.68334e-02 766 2012 3 2.64329e-01 8.23734e-02 505 2012 4 2.98116e-01 9.04654e-02 470 2012 5 2.56999e-01 1.23545e-01 190 2012 6 3.80623e-01 7.86780e-02 96 2012 7 3.09361e-01 6.10166e-02 248 2012 8 1.36610e+00 4.87554e-01 67 2012 9 3.87961e-01 1.16724e-01 392 2012 10 3.72540e-01 6.77371e-02 194 2012 11 2.95303e-01 8.05821e-02 919 2012 12 3.82485e-01 8.50737e-02 713 2013 1 4.05796e-01 1.64786e-01 667 2013 2 2.87475e-01 5.35110e-02 859 2013 3 3.34957e-01 9.03559e-02 525 2013 4 3.66544e-01 6.39235e-02 370 2013 5 3.33213e-01 8.06716e-02 267 2013 6 nan nan 0 2013 7 5.22216e-01 1.78241e-01 495 2013 8 4.40560e-01 4.20093e-02 190 2013 9 5.03283e-01 8.08106e-02 192 2013 10 2.85505e-01 6.59173e-02 304 2013 11 4.23413e-01 8.97316e-02 826 2013 12 6.21318e-01 1.94998e-01 822 2014 1 4.05561e-01 1.18705e-01 1088 2014 2 3.01524e-01 5.21894e-02 933 2014 3 3.24963e-01 8.43538e-02 595 2014 4 2.70227e-01 1.01810e-01 171 2014 5 3.46419e-01 6.39992e-02 192 2014 6 3.92424e-01 5.70771e-02 192 2014 7 2.84721e-01 7.47929e-02 211 2014 8 4.16804e-01 9.42205e-02 64 2014 9 3.26772e-01 1.09543e-01 274 2014 10 3.27038e-01 1.00007e-01 729 2014 11 5.90420e-01 3.09256e-01 933 2014 12 3.12328e-01 9.36625e-02 1205 2015 1 3.57512e-01 7.47899e-02 761 2015 2 3.46336e-01 8.60232e-02 837 2015 3 3.12426e-01 9.05388e-02 614 2015 4 2.69083e-01 5.97637e-02 459 2015 5 nan nan 0 2015 6 nan nan 0 2015 7 4.59392e-01 8.30135e-02 111 2015 8 3.40964e-01 6.93188e-02 434 2015 9 3.41381e-01 8.99170e-02 429 2015 10 3.26839e-01 7.28445e-02 392 2015 11 3.87535e-01 1.12393e-01 509 2015 12 3.68246e-01 9.34827e-02 1038 2016 1 3.52976e-01 7.92725e-02 869 2016 2 3.39170e-01 8.54794e-02 856 2016 3 3.03823e-01 5.43353e-02 368 2016 4 3.26845e-01 7.80906e-02 256 2016 5 3.84335e-01 6.56611e-02 180 2016 6 3.13804e-01 5.07642e-02 189 2016 7 3.40951e-01 4.70271e-02 222 2016 8 4.17640e-01 1.34203e-01 184 2016 9 3.41704e-01 7.80762e-02 452 2016 10 3.99873e-01 1.14168e-01 311 2016 11 4.41266e-01 1.01687e-01 194 2016 12 4.42009e-01 1.61094e-01 1119 2017 1 3.37641e-01 9.63921e-02 690 2017 2 3.17882e-01 8.49621e-02 796 2017 3 2.84213e-01 1.11797e-01 447 2017 4 3.08080e-01 7.81719e-02 384 2017 5 3.50885e-01 9.36624e-02 497 2017 6 3.62676e-01 1.05191e-01 317 2017 7 5.89598e-01 4.34001e-01 312 2017 8 6.49195e-01 1.29670e-01 97 2017 9 4.63899e-01 1.63172e-01 192 2017 10 1.64445e+00 2.99551e-01 91 2017 11 3.39226e-01 1.07700e-01 601 2017 12 4.60679e-01 1.27013e-01 1099 2018 1 3.29290e-01 1.14576e-01 725 2018 2 4.32634e-01 2.03492e-01 425 2018 3 3.09523e-01 5.80919e-02 441 2018 4 3.14671e-01 4.93171e-02 316 2018 5 3.23265e-01 5.71744e-02 427 2018 6 3.95519e-01 8.23805e-02 320 2018 7 3.81314e-01 6.95505e-02 128 2018 8 3.00491e-01 1.06156e-01 339 2018 9 4.29724e-01 1.20319e-01 301 2018 10 5.02403e-01 2.66783e-01 517 2018 11 7.61534e-01 3.13783e-01 884 2018 12 5.95595e-01 1.75651e-01 940 2019 1 4.09214e-01 1.81170e-01 816 2019 2 3.06429e-01 6.33639e-02 513 2019 3 2.85776e-01 6.99158e-02 641 2019 4 2.66627e-01 6.79889e-02 539 2019 5 2.75061e-01 4.82157e-02 158 2019 6 3.56997e-01 6.16717e-02 200 2019 7 4.09286e-01 8.15139e-02 310 2019 8 3.24746e-01 8.27089e-02 111 2019 9 4.44015e-01 2.08409e-01 187 2019 10 3.41352e-01 9.99143e-02 298 2019 11 4.90182e-01 1.13577e-01 1033 2019 12 4.29762e-01 1.14656e-01 703 2020 1 3.84697e-01 1.28495e-01 891 2020 2 3.24936e-01 8.16647e-02 802 2020 3 3.53826e-01 1.03569e-01 467 2020 4 2.85915e-01 8.04353e-02 831 2020 5 3.14730e-01 7.46221e-02 340 2020 6 3.10900e-01 7.67199e-02 441 2020 7 3.11209e-01 8.29912e-02 256 2020 8 8.21347e-01 2.22836e-01 199 2020 9 2.91636e-01 9.87827e-02 215 2020 10 3.23212e-01 7.26225e-02 366 2020 11 5.28805e-01 2.06536e-01 634 2020 12 4.73241e-01 1.18214e-01 810 2021 1 3.34890e-01 8.21596e-02 762 2021 2 3.22782e-01 9.71926e-02 697 2021 3 2.83653e-01 7.23011e-02 720 2021 4 2.89264e-01 7.95841e-02 498 2021 5 3.42187e-01 6.71731e-02 416 2021 6 6.06669e-01 9.58713e-02 65 2021 7 9.66062e-01 4.84793e-01 205 2021 8 3.89115e-01 8.99101e-02 272 2021 9 3.60845e-01 7.10517e-02 142 2021 10 5.21782e-01 1.26024e-01 214 2021 11 5.92858e-01 2.41692e-01 991 2021 12 4.21958e-01 1.16445e-01 937 2022 1 3.11365e-01 7.30590e-02 1130 2022 2 2.87051e-01 5.52909e-02 512 2022 3 2.58566e-01 9.54910e-02 588 2022 4 2.08249e-01 6.76356e-02 126 2022 5 2.78931e-01 8.89117e-02 349 2022 6 2.67218e-01 8.11027e-02 359 2022 7 4.14774e-01 1.36668e-01 125 2022 8 3.55303e-01 1.08476e-01 256 2022 9 3.23953e+00 3.73005e-01 42 2022 10 7.85686e-01 3.03436e-01 347 2022 11 4.92466e-01 1.89076e-01 867 2022 12 4.31291e-01 1.55614e-01 1077 2023 1 3.01077e-01 9.53257e-02 1106 2023 2 2.47251e-01 1.58519e-01 797 2023 3 2.46245e-01 1.49040e-01 633 2023 4 1.83373e-01 8.64651e-02 561 2023 5 2.31928e-01 9.92731e-02 350 2023 6 2.29794e-01 9.66507e-02 158 2023 7 4.23000e-01 7.42322e-02 51 2023 8 3.50872e-01 1.34694e-01 195 2023 9 3.09217e-01 1.67608e-01 454 2023 10 2.30012e-01 1.17587e-01 224 2023 11 3.72786e-01 1.41863e-01 721 2023 12 4.67879e-01 2.15935e-01 949 2024 1 4.16378e-01 1.47638e-01 911 2024 2 3.09750e-01 1.89901e-01 670 2024 3 2.90418e-01 1.10236e-01 571 2024 4 1.49226e-01 3.55091e-02 70