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 8.13102e-03 1.17514e-02 285 2002 8 7.89768e-03 2.17002e-03 395 2002 9 1.39625e-02 7.82280e-03 438 2002 10 1.02620e-02 3.42260e-03 808 2002 11 1.39884e-02 1.02759e-02 822 2002 12 1.33662e-02 9.60054e-03 650 2003 1 1.40601e-02 9.66123e-03 1009 2003 2 9.23852e-03 6.35732e-03 530 2003 3 5.84928e-02 3.41513e-02 122 2003 4 4.40718e-02 5.35575e-02 174 2003 5 3.76249e-02 4.56743e-02 123 2003 6 1.05616e-02 1.15595e-02 347 2003 7 3.87276e-02 7.34498e-02 246 2003 8 9.90755e-03 7.76815e-03 398 2003 9 1.59004e-02 1.35395e-02 635 2003 10 1.84582e-02 3.41724e-02 962 2003 11 1.18707e-02 1.24402e-02 1066 2003 12 1.63438e-02 1.44219e-02 839 2004 1 1.09726e-02 2.61188e-02 827 2004 2 1.10458e-02 6.64331e-03 358 2004 3 5.09740e-03 3.01071e-03 890 2004 4 6.22112e-03 3.55635e-03 511 2004 5 4.78190e-03 2.06643e-03 610 2004 6 7.62412e-03 1.35236e-02 412 2004 7 5.79582e-03 3.38031e-03 415 2004 8 6.63578e-03 8.59340e-03 618 2004 9 6.26472e-02 7.15231e-02 365 2004 10 2.38997e-01 1.51260e-01 251 2004 11 1.86828e-01 1.05872e-01 418 2004 12 9.11339e-02 6.98280e-02 476 2005 1 3.59787e-02 4.32321e-02 805 2005 2 2.55580e-02 4.37673e-02 514 2005 3 2.20223e-02 1.95091e-02 522 2005 4 2.78966e-02 2.65985e-02 593 2005 5 1.49003e-02 4.23914e-02 383 2005 6 1.82641e-02 1.48770e-02 568 2005 7 8.68290e-02 1.08476e-01 424 2005 8 3.69234e-02 2.81660e-02 129 2005 9 1.60464e-02 1.31441e-02 509 2005 10 1.25194e-02 6.43472e-03 945 2005 11 1.07172e-02 5.66757e-03 1133 2005 12 1.38261e-02 6.51056e-03 1088 2006 1 2.67017e-02 2.12537e-02 724 2006 2 3.46428e-02 3.20145e-02 768 2006 3 9.07322e-03 8.09432e-03 950 2006 4 4.08746e-03 6.79765e-03 406 2006 5 5.86775e-03 3.09921e-03 570 2006 6 5.90248e-03 2.49579e-03 306 2006 7 4.85296e-03 3.96628e-03 408 2006 8 5.86139e-03 3.49311e-03 327 2006 9 1.02216e-02 5.93808e-03 610 2006 10 1.21285e-02 9.54070e-03 1000 2006 11 1.09501e-02 6.28955e-03 931 2006 12 1.01069e-02 8.80687e-03 576 2007 1 7.89028e-03 4.88307e-03 443 2007 2 9.09918e-03 4.94619e-03 705 2007 3 5.64597e-03 3.19915e-03 1182 2007 4 1.02192e-02 9.77076e-03 684 2007 5 6.73692e-03 1.75631e-03 263 2007 6 7.25941e-03 7.44252e-03 435 2007 7 5.97102e-03 1.97661e-03 512 2007 8 7.90437e-03 2.69341e-03 468 2007 9 1.28855e-02 2.96136e-02 574 2007 10 1.14094e-02 2.95313e-02 778 2007 11 8.72650e-03 2.29330e-03 1273 2007 12 1.18825e-02 1.15980e-02 765 2008 1 1.13859e-02 7.12076e-03 640 2008 2 9.21340e-03 3.75790e-03 1049 2008 3 1.83978e-02 1.70259e-02 751 2008 4 7.45818e-03 1.45636e-02 776 2008 5 1.05152e-02 9.73004e-03 636 2008 6 3.58419e-03 3.28481e-03 407 2008 7 4.44735e-03 1.68727e-03 525 2008 8 6.26524e-03 1.92875e-03 256 2008 9 8.03363e-03 5.77372e-03 573 2008 10 8.25462e-03 5.70696e-03 949 2008 11 8.14101e-03 4.88523e-03 1010 2008 12 1.77726e-02 1.61981e-02 960 2009 1 1.44797e-02 9.07703e-03 832 2009 2 9.50379e-03 6.64446e-03 1029 2009 3 7.49979e-03 6.61757e-03 890 2009 4 6.92007e-03 5.57646e-03 539 2009 5 6.49710e-03 2.50363e-02 263 2009 6 2.59749e-03 1.95546e-03 400 2009 7 8.05378e-03 5.22251e-03 288 2009 8 6.26657e-03 3.60542e-03 584 2009 9 5.98097e-03 4.59984e-03 694 2009 10 8.32934e-03 2.65386e-03 962 2009 11 7.92495e-03 5.39093e-03 762 2009 12 1.78596e-02 9.09500e-03 256 2010 1 1.66780e-02 8.04042e-03 896 2010 2 3.48795e-02 1.79793e-02 775 2010 3 3.69098e-02 2.20276e-02 832 2010 4 1.02605e-02 1.16266e-02 381 2010 5 8.58425e-03 1.74960e-02 487 2010 6 4.47077e-03 1.80781e-03 634 2010 7 9.31178e-03 1.32730e-02 501 2010 8 7.39932e-03 5.80347e-03 366 2010 9 5.67651e-03 3.92517e-03 562 2010 10 5.95460e-03 2.57303e-03 1447 2010 11 7.63817e-03 4.66527e-03 1182 2010 12 1.39484e-02 8.50281e-03 1130 2011 1 1.02586e-02 3.32059e-03 641 2011 2 6.65751e-03 1.43142e-02 768 2011 3 5.66035e-03 3.04408e-03 953 2011 4 5.11113e-03 2.22296e-03 1013 2011 5 4.43665e-03 4.10468e-03 882 2011 6 4.52882e-03 1.76272e-03 256 2011 7 5.31665e-03 2.48612e-03 497 2011 8 5.49207e-03 4.24812e-03 625 2011 9 7.79171e-03 1.59870e-02 737 2011 10 1.03740e-02 9.75950e-03 1017 2011 11 8.74270e-03 2.86064e-03 1028 2011 12 8.92435e-03 2.78556e-03 1048 2012 1 1.02707e-02 4.77491e-03 1090 2012 2 8.59603e-03 3.96280e-03 310 2012 3 6.90155e-03 3.53906e-03 894 2012 4 6.08336e-03 2.78611e-03 973 2012 5 5.61118e-03 1.80992e-03 505 2012 6 5.85845e-03 4.26942e-03 245 2012 7 9.85156e-03 1.36407e-02 367 2012 8 2.50322e-02 4.99656e-02 382 2012 9 4.77459e-02 4.11839e-02 351 2012 10 2.71619e-02 1.87252e-02 771 2012 11 1.11241e-02 6.91026e-03 1054 2012 12 2.46829e-02 4.05434e-02 762 2013 1 1.18528e-02 1.14321e-02 704 2013 2 9.30010e-03 5.72013e-03 660 2013 3 7.35057e-03 5.60366e-03 800 2013 4 7.29583e-03 6.48658e-03 471 2013 5 5.80717e-03 6.63508e-03 582 2013 6 5.59835e-03 6.85549e-03 441 2013 7 4.94421e-03 1.68950e-02 144 2013 8 6.57420e-02 8.14497e-02 255 2013 9 2.61648e-02 1.75035e-02 640 2013 10 1.51014e-02 1.22578e-02 909 2013 11 1.58692e-02 1.00622e-02 528 2013 12 7.74356e-03 4.02061e-03 768 2014 1 1.19855e-02 3.54173e-03 576 2014 2 9.78927e-03 8.05676e-03 732 2014 3 1.30546e-02 2.08065e-02 696 2014 4 2.28434e-02 3.47388e-02 264 2014 5 1.77504e-02 1.56447e-02 133 2014 6 1.74420e-02 1.86594e-02 239 2014 7 7.21242e-03 5.15095e-03 641 2014 8 3.87311e-03 5.73125e-03 383 2014 9 1.06091e-02 1.63507e-02 444 2014 10 1.55624e-02 1.72041e-02 1464 2014 11 1.15690e-02 2.87166e-02 1134 2014 12 8.43159e-03 4.77648e-03 656 2015 1 1.19248e-02 1.91185e-02 794 2015 2 9.06673e-03 3.71749e-03 832 2015 3 1.85039e-02 2.45298e-02 352 2015 4 8.21579e-03 7.92127e-03 177 2015 5 5.73040e-03 4.51992e-03 723 2015 6 6.18833e-03 1.49243e-02 580 2015 7 6.39366e-03 3.64604e-03 317 2015 8 1.69071e-02 1.98566e-02 451 2015 9 6.59231e-03 2.02985e-02 368 2015 10 9.29258e-03 1.50694e-02 837 2015 11 9.84180e-03 8.23577e-03 893 2015 12 8.02223e-03 4.54017e-03 493 2016 1 1.55702e-02 5.84094e-03 640 2016 2 1.68645e-02 1.51306e-02 1253 2016 3 9.05139e-03 1.07413e-02 695 2016 4 6.12205e-03 2.52815e-03 436 2016 5 3.01841e-03 2.12307e-03 733 2016 6 3.42125e-03 1.24840e-03 573 2016 7 4.92537e-03 1.27122e-02 849 2016 8 9.06332e-03 3.37128e-02 674 2016 9 2.01296e-02 1.13945e-02 730 2016 10 9.04435e-03 8.90222e-03 1007 2016 11 6.42716e-03 1.92193e-03 1027 2016 12 7.75086e-03 3.41232e-03 831 2017 1 1.34151e-02 8.23675e-03 640 2017 2 1.02960e-02 7.92076e-03 1083 2017 3 5.76602e-03 3.31036e-03 1064 2017 4 8.74775e-03 2.28797e-02 803 2017 5 6.60214e-03 2.66307e-03 510 2017 6 5.13964e-03 1.51054e-03 279 2017 7 7.74836e-03 5.58589e-03 219 2017 8 1.12993e-02 3.23876e-02 543 2017 9 9.18766e-03 1.06562e-02 670 2017 10 3.93916e-02 4.60630e-02 427 2017 11 5.72058e-03 4.10567e-03 1230 2017 12 7.64494e-03 4.68460e-03 734 2018 1 1.00854e-02 3.80186e-03 640 2018 2 6.37600e-03 1.73757e-03 569 2018 3 8.25805e-03 8.28665e-03 945 2018 4 4.70883e-03 2.94879e-03 574 2018 5 5.11983e-03 3.25680e-03 576 2018 6 5.30174e-03 1.52817e-02 421 2018 7 1.55346e-02 4.41039e-02 203 2018 8 1.57300e-02 2.59028e-02 388 2018 9 1.00900e-02 5.54402e-03 674 2018 10 1.44823e-02 1.14182e-02 1000 2018 11 2.13418e-02 9.16644e-03 326 2018 12 2.60983e-02 2.10647e-02 644 2019 1 5.35630e-02 6.76327e-02 658 2019 2 3.10949e-02 2.79178e-02 333 2019 3 1.01557e-02 7.60149e-03 689 2019 4 1.18219e-02 8.35116e-03 359 2019 5 3.70802e-03 2.65213e-03 840 2019 6 5.62172e-03 4.81291e-03 265 2019 7 5.35247e-03 2.61825e-03 388 2019 8 1.28295e-02 1.19712e-02 565 2019 9 4.72340e-03 2.62486e-03 765 2019 10 6.58540e-03 5.61734e-03 668 2019 11 8.39337e-03 1.28794e-02 878 2019 12 1.33691e-02 8.56214e-03 695 2020 1 9.11446e-03 4.95195e-03 690 2020 2 1.55591e-02 7.63635e-03 578 2020 3 4.50114e-03 3.02812e-03 712 2020 4 9.72681e-03 9.31781e-03 632 2020 5 4.15282e-03 3.50517e-03 802 2020 6 7.24388e-03 3.14248e-02 675 2020 7 5.70737e-03 3.69162e-03 310 2020 8 5.45639e-03 2.19577e-03 119 2020 9 1.82093e-02 1.55376e-02 498 2020 10 1.27347e-02 1.20767e-02 846 2020 11 1.17849e-02 1.73004e-02 865 2020 12 1.03986e-02 7.10893e-03 831 2021 1 1.76431e-02 2.98152e-02 715 2021 2 1.73036e-02 1.74120e-02 549 2021 3 6.00377e-03 4.77988e-03 377 2021 4 4.54231e-03 7.73861e-03 526 2021 5 5.41073e-03 7.20801e-03 749 2021 6 9.72979e-03 2.11576e-02 168 2021 7 1.15336e-02 1.24683e-02 193 2021 8 1.17059e-01 1.32425e-01 239 2021 9 4.97495e-02 6.53231e-02 473 2021 10 2.26590e-02 1.70197e-02 523 2021 11 2.50006e-02 1.57720e-02 938 2021 12 1.58841e-02 1.31136e-02 673 2022 1 3.68652e-02 3.60271e-02 897 2022 2 8.51406e-03 7.30373e-03 982 2022 3 1.06965e-02 1.17567e-02 797 2022 4 2.94326e-03 1.17428e-03 64 2022 5 7.39671e-03 8.15073e-03 586 2022 6 3.08339e-03 1.96128e-03 485 2022 7 2.65672e-03 2.14285e-03 304 2022 8 7.27152e-03 1.16887e-02 401 2022 9 1.00044e-02 9.75158e-03 375 2022 10 3.83621e-03 2.11963e-03 1150 2022 11 7.54480e-03 7.39440e-03 527 2022 12 9.85387e-03 6.67475e-03 960 2023 1 8.81853e-03 4.32878e-03 980 2023 2 9.82967e-03 4.72502e-03 723 2023 3 7.86570e-03 9.92954e-03 715 2023 4 7.21195e-03 2.89527e-03 384 2023 5 8.09826e-03 1.03199e-02 444 2023 6 5.01513e-03 1.94424e-03 267 2023 7 5.26441e-03 1.10960e-02 428 2023 8 7.37088e-03 6.76134e-03 590 2023 9 1.09426e-02 7.14731e-03 511 2023 10 7.37130e-03 7.15009e-03 692 2023 11 7.07912e-03 5.77691e-03 704 2023 12 1.87679e-02 3.72219e-02 345 2024 1 3.02404e-02 2.77163e-02 594 2024 2 1.07058e-02 9.46899e-03 651 2024 3 1.08267e-02 7.53133e-03 320 2024 4 nan nan 0