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 4.95502e-02 1.07167e-02 763 2002 8 6.00628e-02 6.06023e-03 956 2002 9 1.28249e-01 1.46338e-01 892 2002 10 1.47740e-01 7.71759e-02 683 2002 11 1.51585e-01 2.21741e-02 890 2002 12 1.38440e-01 1.04649e-02 307 2003 1 1.31894e-01 6.44335e-02 879 2003 2 1.24260e-01 2.34287e-02 510 2003 3 1.06543e-01 1.37959e-02 512 2003 4 6.54951e-02 2.11280e-02 309 2003 5 6.36735e-02 1.71641e-02 136 2003 6 5.22232e-02 8.42866e-03 552 2003 7 4.65609e-02 9.07810e-03 481 2003 8 5.30340e-02 8.02652e-03 800 2003 9 1.51190e-01 1.09880e-01 1159 2003 10 2.66682e-01 1.81863e-01 676 2003 11 1.47457e-01 2.86815e-02 840 2003 12 1.51045e-01 2.70890e-02 452 2004 1 1.24832e-01 2.55459e-02 484 2004 2 1.67830e-01 3.23090e-02 624 2004 3 1.01902e-01 1.78241e-02 860 2004 4 6.36402e-02 9.36367e-03 323 2004 5 7.80031e-02 1.98345e-02 320 2004 6 8.58930e-02 3.41762e-02 824 2004 7 5.57058e-02 1.37385e-02 514 2004 8 6.24362e-02 1.55267e-02 845 2004 9 1.28869e-01 9.18823e-02 572 2004 10 1.91334e-01 1.63101e-01 670 2004 11 2.41947e-01 1.27894e-01 307 2004 12 1.70649e-01 4.69735e-02 622 2005 1 2.23675e-01 3.23436e-01 665 2005 2 1.35975e-01 3.02654e-02 512 2005 3 8.36604e-02 2.61503e-02 672 2005 4 7.18123e-02 3.71708e-02 472 2005 5 5.90370e-02 5.71977e-03 384 2005 6 1.02416e-01 8.66704e-02 566 2005 7 6.26834e-02 1.63545e-02 163 2005 8 8.27543e-02 9.58079e-02 683 2005 9 1.19402e-01 7.88360e-02 884 2005 10 1.91883e-01 1.11055e-01 815 2005 11 1.55092e-01 3.40736e-02 562 2005 12 1.70524e-01 8.01983e-02 809 2006 1 1.42417e-01 2.74443e-02 440 2006 2 1.13736e-01 2.93578e-02 510 2006 3 9.83157e-02 2.73642e-02 833 2006 4 8.64549e-02 2.73494e-02 364 2006 5 1.20534e-01 5.87935e-02 234 2006 6 6.31967e-02 2.47882e-02 972 2006 7 5.68306e-02 1.42377e-02 268 2006 8 7.16800e-02 1.49311e-02 20 2006 9 1.53094e-01 2.02230e-01 976 2006 10 1.52707e-01 4.96367e-02 793 2006 11 1.55635e-01 2.66778e-02 775 2006 12 1.52165e-01 1.82373e-02 602 2007 1 1.68691e-01 4.20276e-02 720 2007 2 1.40464e-01 3.32698e-02 957 2007 3 1.07486e-01 1.97754e-02 573 2007 4 1.01533e-01 2.10934e-02 138 2007 5 1.17097e-01 5.49574e-02 261 2007 6 8.41174e-02 1.99712e-02 516 2007 7 5.64520e-02 4.02806e-03 196 2007 8 4.96062e-02 5.97883e-03 357 2007 9 9.54791e-02 3.35478e-02 807 2007 10 2.45655e-01 1.47616e-01 736 2007 11 1.61503e-01 2.31402e-02 944 2007 12 1.69379e-01 5.16706e-02 593 2008 1 1.91038e-01 7.95116e-02 339 2008 2 1.24938e-01 1.93042e-02 465 2008 3 9.21105e-02 2.92705e-02 809 2008 4 5.19626e-02 8.38499e-03 107 2008 5 1.12475e-01 6.43812e-03 8 2008 6 1.53602e-01 7.89136e-02 170 2008 7 9.31185e-02 6.03987e-02 189 2008 8 1.31732e-01 1.61215e-01 149 2008 9 1.42521e-01 1.53204e-01 205 2008 10 2.12701e-01 9.79251e-02 481 2008 11 1.70373e-01 3.13641e-02 546 2008 12 1.61505e-01 2.41656e-02 787 2009 1 1.52178e-01 4.60271e-02 765 2009 2 9.57981e-02 1.12724e-02 321 2009 3 8.95305e-02 1.56465e-02 469 2009 4 9.62562e-02 1.89640e-02 96 2009 5 1.06397e-01 5.41831e-02 314 2009 6 6.32187e-02 3.10553e-02 203 2009 7 5.48118e-02 8.43393e-03 170 2009 8 5.95613e-02 9.88449e-03 326 2009 9 9.42228e-02 5.58330e-02 324 2009 10 2.69281e-01 1.79556e-01 277 2009 11 1.48716e-01 6.93365e-02 438 2009 12 1.40344e-01 8.98839e-03 508 2010 1 1.28298e-01 8.25723e-03 744 2010 2 1.07420e-01 1.96069e-02 462 2010 3 6.30280e-02 8.96092e-03 393 2010 4 7.80023e-02 1.10199e-02 256 2010 5 9.81850e-02 1.72174e-02 387 2010 6 5.18571e-02 1.41025e-02 287 2010 7 5.30478e-02 1.45808e-02 573 2010 8 4.56397e-02 4.65151e-03 146 2010 9 1.16645e-01 1.10904e-01 603 2010 10 2.40944e-01 1.59799e-01 795 2010 11 1.60683e-01 2.25028e-02 1207 2010 12 1.98266e-01 6.41802e-02 897 2011 1 1.50678e-01 2.60759e-02 496 2011 2 1.40410e-01 1.18439e-02 425 2011 3 1.14155e-01 2.47043e-02 693 2011 4 1.37487e-01 3.71660e-02 128 2011 5 2.02571e-01 2.97852e-01 258 2011 6 5.44599e-02 7.80807e-03 421 2011 7 4.60078e-02 6.36633e-03 383 2011 8 5.13754e-02 6.28304e-03 814 2011 9 1.01607e-01 6.60863e-02 851 2011 10 1.74836e-01 3.91205e-02 920 2011 11 1.71225e-01 2.97890e-02 574 2011 12 1.78672e-01 7.37549e-02 1026 2012 1 1.21037e-01 3.07236e-02 832 2012 2 1.20082e-01 1.80349e-02 704 2012 3 1.12380e-01 2.35896e-02 473 2012 4 7.87797e-02 5.68783e-03 187 2012 5 nan nan 0 2012 6 4.39494e-02 2.29108e-03 162 2012 7 5.38813e-02 1.74730e-02 187 2012 8 5.35911e-02 8.91133e-03 406 2012 9 1.17583e-01 1.29090e-01 513 2012 10 1.29756e-01 1.03698e-01 791 2012 11 1.53454e-01 4.05693e-02 446 2012 12 1.25928e-01 1.50730e-02 283 2013 1 1.43335e-01 5.25765e-02 644 2013 2 1.07840e-01 2.26520e-02 593 2013 3 7.97644e-02 1.54004e-02 450 2013 4 6.01345e-02 9.49235e-03 220 2013 5 5.43469e-02 4.13619e-03 320 2013 6 4.32561e-02 7.47739e-03 638 2013 7 5.49093e-02 1.29961e-02 648 2013 8 5.43359e-02 7.07207e-03 689 2013 9 8.75773e-02 3.44604e-02 941 2013 10 1.44693e-01 3.76324e-02 1152 2013 11 1.42878e-01 2.06574e-02 623 2013 12 1.35893e-01 2.25056e-02 995 2014 1 1.08124e-01 2.46349e-02 617 2014 2 9.93796e-02 2.30084e-02 774 2014 3 6.95957e-02 1.09266e-02 654 2014 4 1.46774e-01 1.67107e-01 420 2014 5 6.78076e-02 2.14329e-02 448 2014 6 6.25344e-02 2.20965e-02 750 2014 7 5.30260e-02 7.12480e-03 832 2014 8 5.32681e-02 8.83511e-03 470 2014 9 6.75866e-02 1.56394e-02 1138 2014 10 1.55017e-01 1.18445e-01 971 2014 11 1.52036e-01 2.22812e-02 919 2014 12 1.14730e-01 2.24798e-02 960 2015 1 1.26233e-01 1.99140e-02 683 2015 2 8.99824e-02 9.81078e-03 512 2015 3 6.88721e-02 6.51157e-03 621 2015 4 1.14099e-01 7.84856e-02 192 2015 5 1.30480e-01 1.09360e-01 259 2015 6 5.46312e-02 8.85376e-03 679 2015 7 8.68012e-02 9.79338e-03 161 2015 8 4.66363e-02 5.25439e-03 479 2015 9 1.29114e-01 1.11405e-01 461 2015 10 1.93261e-01 8.65844e-02 244 2015 11 1.49579e-01 3.44788e-02 645 2015 12 1.58317e-01 2.63022e-02 721 2016 1 1.48235e-01 1.33705e-02 884 2016 2 1.17045e-01 1.91318e-02 1188 2016 3 1.01455e-01 4.44686e-02 534 2016 4 6.20031e-02 1.62140e-02 700 2016 5 9.45530e-02 8.50723e-02 642 2016 6 6.32833e-02 2.27549e-02 456 2016 7 4.63578e-02 6.65826e-03 431 2016 8 4.68055e-02 6.18591e-03 800 2016 9 1.44113e-01 1.29154e-01 672 2016 10 1.79537e-01 3.76686e-02 935 2016 11 1.63798e-01 3.08331e-02 570 2016 12 1.63463e-01 5.35013e-02 582 2017 1 1.17455e-01 1.40596e-02 671 2017 2 1.23638e-01 1.66960e-02 617 2017 3 9.42580e-02 2.62630e-02 583 2017 4 5.64728e-02 3.58291e-03 217 2017 5 1.31939e-01 1.03073e-01 260 2017 6 4.50214e-02 4.83082e-03 896 2017 7 4.71547e-02 6.43643e-03 375 2017 8 5.05928e-02 5.85421e-03 500 2017 9 1.71553e-01 2.07789e-01 467 2017 10 2.20559e-01 1.39729e-01 759 2017 11 1.66896e-01 2.63980e-02 628 2017 12 1.78154e-01 4.15720e-02 753 2018 1 1.40234e-01 2.49620e-02 669 2018 2 1.31532e-01 1.60950e-02 576 2018 3 1.27387e-01 4.13311e-02 717 2018 4 1.80468e-01 1.59971e-01 283 2018 5 1.09462e-01 9.65596e-02 395 2018 6 1.11609e-01 8.56258e-02 677 2018 7 6.53077e-02 1.87463e-02 674 2018 8 9.73407e-02 4.31009e-02 799 2018 9 8.66463e-02 2.37273e-02 807 2018 10 1.27638e-01 8.33498e-02 240 2018 11 1.34439e-01 1.41709e-02 319 2018 12 1.55683e-01 4.23638e-02 584 2019 1 1.44299e-01 2.80977e-02 384 2019 2 1.07490e-01 1.34881e-02 643 2019 3 1.04057e-01 1.45133e-02 772 2019 4 1.13575e-01 2.90085e-02 632 2019 5 1.22788e-01 9.70764e-02 609 2019 6 5.57921e-02 2.23451e-02 968 2019 7 5.32596e-02 6.36986e-03 815 2019 8 5.36300e-02 1.02269e-02 739 2019 9 8.84301e-02 4.23990e-02 1131 2019 10 1.43864e-01 6.29403e-02 727 2019 11 1.70849e-01 2.67449e-02 650 2019 12 1.63201e-01 2.55137e-02 575 2020 1 1.28714e-01 1.66474e-02 722 2020 2 1.41759e-01 2.71062e-02 670 2020 3 8.86053e-02 1.44673e-02 761 2020 4 6.31284e-02 1.64315e-02 321 2020 5 6.00143e-02 1.56629e-02 378 2020 6 5.68705e-02 1.86648e-02 752 2020 7 5.47540e-02 1.07611e-02 643 2020 8 7.38598e-02 1.41098e-02 495 2020 9 1.50238e-01 1.29451e-01 807 2020 10 1.56152e-01 6.37284e-02 1405 2020 11 1.76435e-01 2.54367e-02 451 2020 12 1.93814e-01 3.77941e-02 472 2021 1 1.70332e-01 2.47782e-02 581 2021 2 1.23443e-01 1.49464e-02 831 2021 3 1.18776e-01 1.73030e-02 493 2021 4 7.19388e-02 3.27880e-03 320 2021 5 5.97529e-02 1.25310e-02 408 2021 6 5.70420e-02 1.40286e-02 691 2021 7 5.68317e-02 8.63917e-03 851 2021 8 5.82814e-02 1.66369e-02 683 2021 9 1.67998e-01 1.33514e-01 980 2021 10 1.65313e-01 4.31404e-02 1333 2021 11 1.82324e-01 2.76826e-02 777 2021 12 1.85431e-01 3.71963e-02 508 2022 1 1.34773e-01 2.45189e-02 619 2022 2 1.27439e-01 2.71182e-02 941 2022 3 1.24232e-01 3.81639e-02 309 2022 4 7.17750e-02 2.46386e-03 64 2022 5 8.15484e-02 3.63640e-02 384 2022 6 4.75243e-02 5.87422e-03 436 2022 7 4.77740e-02 3.48926e-03 315 2022 8 5.65556e-02 7.59800e-03 396 2022 9 1.65751e-01 2.01420e-01 829 2022 10 1.31361e-01 3.47203e-02 732 2022 11 1.64215e-01 4.06524e-02 350 2022 12 1.23110e-01 1.95524e-02 666 2023 1 1.11844e-01 2.69380e-02 321 2023 2 9.87195e-02 3.04705e-02 636 2023 3 6.91343e-02 8.51959e-03 852 2023 4 5.87478e-02 8.64685e-03 801 2023 5 6.85205e-02 8.17721e-03 448 2023 6 6.46104e-02 1.10795e-02 999 2023 7 5.91104e-02 1.28818e-02 808 2023 8 6.89589e-02 6.22388e-03 467 2023 9 1.14744e-01 5.50909e-02 870 2023 10 1.45702e-01 3.93018e-02 879 2023 11 1.80328e-01 3.99088e-02 523 2023 12 1.69451e-01 3.62014e-02 692 2024 1 1.39824e-01 1.91486e-02 1035 2024 2 8.83039e-02 1.63312e-02 960 2024 3 8.21156e-02 2.36591e-02 699 2024 4 5.74391e-02 3.85779e-03 128