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 8.06994e-02 4.57110e-02 1012 2002 8 1.29163e-01 4.56918e-02 788 2002 9 1.78118e-01 5.84222e-02 989 2002 10 1.80526e-01 3.67187e-02 834 2002 11 2.66748e-01 4.08696e-02 918 2002 12 1.95791e-01 3.95922e-02 515 2003 1 1.49270e-01 1.71279e-02 768 2003 2 1.36481e-01 1.42988e-02 360 2003 3 1.11696e-01 1.81862e-02 567 2003 4 7.66129e-02 1.16614e-02 389 2003 5 1.08455e-01 3.76202e-02 323 2003 6 8.34962e-02 1.43792e-02 547 2003 7 7.23792e-02 7.99948e-03 384 2003 8 9.08744e-02 2.55184e-02 817 2003 9 2.21648e-01 9.75170e-02 1100 2003 10 2.36639e-01 9.26956e-02 677 2003 11 2.30109e-01 7.26130e-02 882 2003 12 2.03534e-01 3.01566e-02 574 2004 1 1.89101e-01 2.55711e-02 601 2004 2 1.59828e-01 2.07002e-02 573 2004 3 1.13947e-01 1.60142e-02 844 2004 4 7.89815e-02 1.93638e-02 324 2004 5 1.00258e-01 2.62985e-02 256 2004 6 8.38269e-02 1.74941e-02 713 2004 7 6.70756e-02 1.30794e-02 471 2004 8 1.70485e-01 6.65800e-02 1000 2004 9 2.20480e-01 5.71791e-02 726 2004 10 1.95283e-01 5.60021e-02 775 2004 11 2.37823e-01 3.51242e-02 256 2004 12 1.97715e-01 5.73920e-02 563 2005 1 1.54910e-01 1.18844e-02 513 2005 2 1.26942e-01 2.00390e-02 524 2005 3 9.82520e-02 1.18025e-02 673 2005 4 9.29369e-02 1.80612e-02 450 2005 5 6.82742e-02 7.01901e-03 256 2005 6 9.33161e-02 4.11681e-02 787 2005 7 9.88727e-02 4.09096e-02 311 2005 8 1.46993e-01 1.25345e-01 657 2005 9 2.31584e-01 8.69329e-02 1060 2005 10 2.06440e-01 4.59628e-02 999 2005 11 2.32064e-01 4.39595e-02 568 2005 12 2.18000e-01 4.10195e-02 986 2006 1 1.72759e-01 2.58333e-02 591 2006 2 1.43463e-01 2.44753e-02 401 2006 3 1.21945e-01 2.39021e-02 801 2006 4 7.50761e-02 2.70517e-02 589 2006 5 8.57981e-02 2.13906e-02 309 2006 6 6.43525e-02 1.72541e-02 774 2006 7 1.00049e-01 5.53406e-02 546 2006 8 1.10978e-01 5.64057e-03 63 2006 9 2.26264e-01 5.76654e-02 1049 2006 10 1.93672e-01 4.76531e-02 726 2006 11 2.11828e-01 4.55080e-02 940 2006 12 2.56988e-01 5.07072e-02 613 2007 1 1.78373e-01 2.19066e-02 822 2007 2 1.47187e-01 2.63114e-02 905 2007 3 1.11170e-01 1.34220e-02 566 2007 4 1.18322e-01 9.96642e-03 120 2007 5 1.34966e-01 9.45538e-02 140 2007 6 1.00748e-01 4.76945e-02 530 2007 7 1.65653e-01 5.22667e-02 166 2007 8 8.58382e-02 5.08539e-02 795 2007 9 1.78285e-01 6.99249e-02 1038 2007 10 1.83640e-01 2.94433e-02 790 2007 11 2.05541e-01 4.50513e-02 968 2007 12 2.14940e-01 4.57763e-02 573 2008 1 1.55355e-01 1.99832e-02 260 2008 2 1.50836e-01 3.27890e-02 534 2008 3 1.13766e-01 2.45177e-02 780 2008 4 6.78652e-02 1.77990e-02 362 2008 5 8.64343e-01 1.71835e-01 14 2008 6 7.31628e-02 1.90294e-02 113 2008 7 1.44661e-01 6.84045e-02 309 2008 8 1.16019e-01 2.77252e-02 118 2008 9 1.87232e-01 3.11453e-02 567 2008 10 2.39143e-01 9.54358e-02 772 2008 11 2.28907e-01 4.60082e-02 596 2008 12 1.86388e-01 2.90883e-02 896 2009 1 1.37160e-01 2.32428e-02 625 2009 2 1.33140e-01 1.55579e-02 317 2009 3 1.31950e-01 2.63315e-02 217 2009 4 7.59397e-02 6.25568e-03 126 2009 5 1.21611e-01 1.49855e-02 294 2009 6 7.31375e-02 1.12364e-02 256 2009 7 1.22416e-01 6.81087e-02 230 2009 8 1.01432e-01 3.43058e-02 315 2009 9 1.73067e-01 7.55240e-02 629 2009 10 2.02576e-01 6.19343e-02 509 2009 11 2.22179e-01 2.75722e-02 656 2009 12 1.87431e-01 4.08655e-02 527 2010 1 2.29439e-01 4.36237e-02 889 2010 2 1.28236e-01 3.07571e-02 530 2010 3 9.74229e-02 2.77485e-02 637 2010 4 8.07367e-02 1.40454e-02 256 2010 5 9.33312e-02 2.38253e-02 320 2010 6 6.37506e-02 9.87403e-03 255 2010 7 6.81728e-02 1.34589e-02 640 2010 8 7.45530e-02 2.38592e-02 247 2010 9 1.43870e-01 3.70652e-02 510 2010 10 1.48458e-01 3.72087e-02 646 2010 11 1.92825e-01 3.72090e-02 1172 2010 12 1.84148e-01 2.18653e-02 810 2011 1 1.65980e-01 3.10347e-02 621 2011 2 1.28599e-01 1.91673e-02 320 2011 3 1.25918e-01 2.61212e-02 783 2011 4 1.45166e-01 3.82005e-02 188 2011 5 7.62214e-02 2.58890e-02 384 2011 6 8.69641e-02 1.55501e-02 195 2011 7 6.07328e-02 1.31043e-02 357 2011 8 8.71511e-02 3.32227e-02 826 2011 9 1.59635e-01 2.61810e-02 764 2011 10 1.65038e-01 2.19892e-02 896 2011 11 1.93413e-01 6.02904e-02 454 2011 12 1.78098e-01 3.26343e-02 1088 2012 1 1.38821e-01 1.92861e-02 771 2012 2 1.22481e-01 2.22694e-02 731 2012 3 1.00346e-01 1.16531e-02 575 2012 4 9.92375e-02 3.06554e-02 192 2012 5 4.38375e-02 2.90923e-03 64 2012 6 7.20494e-02 1.47062e-02 320 2012 7 6.97586e-02 9.75922e-03 382 2012 8 8.37325e-02 3.41815e-02 311 2012 9 1.78133e-01 8.59744e-02 717 2012 10 1.37735e-01 3.15504e-02 632 2012 11 1.61126e-01 5.52887e-02 603 2012 12 1.59993e-01 2.58426e-02 308 2013 1 1.69469e-01 4.08735e-02 711 2013 2 1.27417e-01 2.38071e-02 723 2013 3 1.11402e-01 2.33066e-02 704 2013 4 5.62818e-02 1.40922e-02 203 2013 5 5.66492e-02 3.73351e-03 362 2013 6 6.21830e-02 1.30046e-02 448 2013 7 6.00361e-02 1.17752e-02 543 2013 8 8.52116e-02 2.92907e-02 742 2013 9 1.32171e-01 4.66028e-02 931 2013 10 1.90482e-01 4.12676e-02 870 2013 11 1.68757e-01 2.63326e-02 638 2013 12 1.34693e-01 4.24283e-02 787 2014 1 1.14148e-01 1.74641e-02 662 2014 2 1.09292e-01 1.22730e-02 607 2014 3 6.97100e-02 1.14656e-02 698 2014 4 8.33813e-02 3.44728e-02 482 2014 5 6.92792e-02 1.20979e-02 384 2014 6 6.29670e-02 1.28051e-02 819 2014 7 7.75806e-02 1.69414e-02 774 2014 8 1.19426e-01 6.07253e-02 511 2014 9 1.31620e-01 4.82979e-02 1203 2014 10 1.61642e-01 3.12292e-02 996 2014 11 2.00336e-01 3.49345e-02 881 2014 12 1.60787e-01 3.40717e-02 961 2015 1 1.30443e-01 1.86745e-02 720 2015 2 1.29906e-01 2.14099e-02 511 2015 3 9.63614e-02 1.62497e-02 518 2015 4 1.31897e-01 2.97012e-02 384 2015 5 8.81179e-02 3.06370e-02 234 2015 6 7.11891e-02 1.03925e-02 829 2015 7 1.04873e-01 1.73720e-02 319 2015 8 6.75850e-02 1.61695e-02 722 2015 9 1.88874e-01 3.56195e-02 690 2015 10 2.17538e-01 4.49853e-02 572 2015 11 1.92290e-01 4.10169e-02 773 2015 12 1.80792e-01 2.11455e-02 741 2016 1 1.34231e-01 1.38168e-02 768 2016 2 1.14880e-01 9.63043e-03 1153 2016 3 7.79024e-02 9.77768e-03 594 2016 4 6.60322e-02 1.28406e-02 709 2016 5 8.71364e-02 3.38569e-02 632 2016 6 5.25427e-02 1.15886e-02 576 2016 7 7.06711e-02 1.49065e-02 554 2016 8 5.29488e-02 7.54275e-03 660 2016 9 1.52403e-01 3.97434e-02 772 2016 10 1.88849e-01 4.38747e-02 1041 2016 11 2.03062e-01 2.83822e-02 687 2016 12 1.64911e-01 2.89456e-02 576 2017 1 1.48057e-01 2.78566e-02 685 2017 2 1.39192e-01 1.96526e-02 581 2017 3 9.71356e-02 2.32792e-02 627 2017 4 7.18075e-02 9.86092e-03 214 2017 5 9.29695e-02 4.14325e-02 249 2017 6 6.20108e-02 2.05219e-02 996 2017 7 7.09789e-02 1.62802e-02 512 2017 8 8.51739e-02 3.10311e-02 713 2017 9 1.81522e-01 4.56664e-02 676 2017 10 1.84574e-01 5.94557e-02 824 2017 11 2.14253e-01 3.71938e-02 763 2017 12 1.90187e-01 4.56642e-02 885 2018 1 1.52045e-01 3.72790e-02 960 2018 2 1.43986e-01 2.20189e-02 468 2018 3 1.16213e-01 2.40278e-02 832 2018 4 8.85189e-02 2.39325e-02 387 2018 5 7.47038e-02 9.14069e-03 343 2018 6 8.55979e-02 1.69934e-02 574 2018 7 6.97815e-02 3.33521e-02 693 2018 8 1.78203e-01 2.21135e-01 785 2018 9 1.36412e-01 7.08994e-02 941 2018 10 1.97735e-01 5.43685e-02 439 2018 11 2.13651e-01 2.49329e-02 409 2018 12 1.56098e-01 3.23901e-02 766 2019 1 1.64597e-01 2.86509e-02 320 2019 2 1.30612e-01 1.47932e-02 704 2019 3 1.21576e-01 1.29654e-02 969 2019 4 6.89595e-02 1.46809e-02 671 2019 5 8.44380e-02 3.22215e-02 710 2019 6 7.15499e-02 4.80345e-02 958 2019 7 6.37229e-02 1.09280e-02 874 2019 8 8.98178e-02 4.21640e-02 886 2019 9 1.33458e-01 4.03961e-02 967 2019 10 1.89939e-01 7.45294e-02 703 2019 11 2.26396e-01 6.06419e-02 664 2019 12 1.88121e-01 2.28226e-02 308 2020 1 1.49913e-01 2.31581e-02 738 2020 2 1.48926e-01 3.45936e-02 768 2020 3 1.12664e-01 1.69346e-02 654 2020 4 6.86202e-02 1.28176e-02 445 2020 5 8.34396e-02 2.09029e-02 571 2020 6 6.99829e-02 9.62679e-03 960 2020 7 7.21061e-02 1.50654e-02 720 2020 8 1.03186e-01 2.87652e-02 445 2020 9 1.60693e-01 4.22429e-02 896 2020 10 1.78586e-01 2.83511e-02 1353 2020 11 1.96486e-01 4.15257e-02 543 2020 12 2.06551e-01 3.75603e-02 512 2021 1 1.58213e-01 2.42286e-02 1033 2021 2 1.27123e-01 1.22306e-02 768 2021 3 1.12716e-01 1.60662e-02 457 2021 4 6.74781e-02 1.24279e-02 320 2021 5 5.85077e-02 1.45957e-02 516 2021 6 6.44655e-02 1.41977e-02 763 2021 7 6.23585e-02 8.55137e-03 949 2021 8 9.97367e-02 2.71237e-02 774 2021 9 1.75842e-01 2.79727e-02 1023 2021 10 1.95337e-01 4.44773e-02 1215 2021 11 1.89476e-01 4.13919e-02 765 2021 12 1.73222e-01 3.48163e-02 452 2022 1 1.37327e-01 2.57912e-02 522 2022 2 1.20695e-01 1.39343e-02 832 2022 3 1.26000e-01 2.06589e-02 377 2022 4 9.91969e-02 1.02570e-02 64 2022 5 5.78006e-02 6.15745e-03 310 2022 6 5.35959e-02 6.34443e-03 490 2022 7 5.19324e-02 6.12988e-03 367 2022 8 7.89027e-02 1.29908e-02 516 2022 9 1.16698e-01 3.20258e-02 960 2022 10 1.38025e-01 2.41314e-02 798 2022 11 1.95875e-01 7.52941e-02 495 2022 12 1.53562e-01 3.33985e-02 703 2023 1 1.54763e-01 3.06792e-02 321 2023 2 1.63052e-01 5.49383e-02 576 2023 3 8.15137e-02 6.80875e-03 1017 2023 4 7.97422e-02 1.65538e-02 785 2023 5 6.91038e-02 6.07413e-03 468 2023 6 6.60700e-02 6.32714e-03 957 2023 7 6.18996e-02 8.29397e-03 896 2023 8 8.18769e-02 1.17818e-02 658 2023 9 1.51345e-01 4.37230e-02 1069 2023 10 1.73419e-01 3.51351e-02 770 2023 11 2.18790e-01 7.19756e-02 552 2023 12 1.93304e-01 2.84679e-02 760 2024 1 1.49554e-01 2.45631e-02 953 2024 2 1.04248e-01 8.38169e-03 1018 2024 3 1.02893e-01 1.30596e-02 679 2024 4 8.39750e-02 2.16420e-03 128