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 2.04316e-01 1.45982e-01 347 2002 8 2.47121e-01 1.78252e-01 558 2002 9 2.78552e-01 1.31736e-01 576 2002 10 1.86652e-01 4.16359e-02 660 2002 11 3.74489e-01 1.29320e-01 320 2002 12 2.03754e-01 5.27899e-02 681 2003 1 1.62446e-01 2.97817e-02 685 2003 2 1.84937e-01 4.21532e-02 575 2003 3 1.94067e-01 5.97018e-02 640 2003 4 4.42469e-01 5.04804e-01 414 2003 5 2.88215e-01 9.12537e-02 239 2003 6 4.06777e-01 2.99051e-01 318 2003 7 2.53236e-01 1.26166e-01 596 2003 8 2.21853e-01 3.63101e-01 621 2003 9 2.07466e-01 1.46959e-01 724 2003 10 5.66557e-01 4.33629e-01 441 2003 11 7.23160e-01 8.02804e-01 702 2003 12 3.47751e-01 1.64691e-01 651 2004 1 1.38025e-01 1.46018e-02 893 2004 2 1.35870e-01 1.96577e-02 784 2004 3 1.89164e-01 5.33739e-02 512 2004 4 3.68674e-01 2.23305e-01 407 2004 5 2.81462e-01 2.94018e-01 254 2004 6 1.48945e-01 4.00960e-02 558 2004 7 1.33547e-01 3.24946e-02 132 2004 8 1.61352e-01 5.21248e-02 633 2004 9 1.65540e-01 9.42970e-02 671 2004 10 2.75293e-01 2.25439e-01 630 2004 11 2.15434e-01 9.34633e-02 774 2004 12 1.89655e-01 4.11525e-02 449 2005 1 3.63817e-01 1.55783e-01 640 2005 2 2.35556e-01 1.04027e-01 576 2005 3 2.56763e-01 1.63853e-01 860 2005 4 4.64331e-01 2.60114e-01 704 2005 5 3.95510e-01 3.17556e-01 341 2005 6 7.65607e-01 1.20478e+00 457 2005 7 2.19523e-01 9.32466e-02 380 2005 8 1.33424e-01 2.94209e-02 718 2005 9 2.92737e-01 3.00417e-01 864 2005 10 2.77383e-01 1.96471e-01 462 2005 11 3.68288e-01 3.47274e-01 643 2005 12 1.89494e-01 2.56012e-02 576 2006 1 1.83957e-01 1.04138e-01 826 2006 2 2.11715e-01 8.79208e-02 647 2006 3 2.03926e-01 7.12909e-02 802 2006 4 4.19141e-01 4.20998e-01 552 2006 5 7.75008e-01 7.62865e-01 192 2006 6 1.84290e-01 6.40758e-02 244 2006 7 3.59892e-01 2.03304e-01 237 2006 8 1.95159e-01 1.09001e-01 845 2006 9 2.53789e-01 1.37002e-01 512 2006 10 3.59874e-01 6.63915e-01 762 2006 11 2.85359e-01 1.88678e-01 606 2006 12 2.06858e-01 4.99961e-02 532 2007 1 1.45898e-01 2.88111e-02 512 2007 2 1.34698e-01 5.67558e-02 761 2007 3 2.24984e-01 1.08578e-01 704 2007 4 5.11351e-01 1.09781e-01 481 2007 5 4.26016e-01 5.21729e-01 511 2007 6 2.94823e-01 2.04284e-01 194 2007 7 1.32331e-01 6.49702e-02 517 2007 8 1.73333e-01 4.31912e-02 448 2007 9 2.15190e-01 1.38749e-01 960 2007 10 4.45680e-01 3.57418e-01 552 2007 11 2.48036e-01 7.97313e-02 640 2007 12 1.64849e-01 2.14593e-02 336 2008 1 1.87194e-01 8.20881e-02 551 2008 2 1.73943e-01 8.19451e-02 544 2008 3 1.95682e-01 1.04869e-01 754 2008 4 4.84824e-01 6.47566e-01 568 2008 5 3.85018e-01 2.55207e-01 262 2008 6 1.77142e-01 1.10101e-01 438 2008 7 1.64269e-01 4.38601e-02 504 2008 8 4.54762e-01 8.70746e-01 958 2008 9 2.84634e-01 4.89351e-01 842 2008 10 2.88161e-01 1.00448e-01 832 2008 11 2.38195e-01 6.85503e-02 580 2008 12 1.79208e-01 1.99809e-02 384 2009 1 1.15238e-01 1.50717e-02 1092 2009 2 1.06185e-01 1.55765e-02 634 2009 3 1.42788e-01 5.65522e-02 640 2009 4 4.32903e-01 3.41815e-01 473 2009 5 2.21900e-01 4.38261e-02 296 2009 6 1.40996e-01 5.39885e-02 278 2009 7 1.50998e-01 2.90673e-02 480 2009 8 1.43870e-01 3.06232e-02 473 2009 9 3.92818e-01 4.52417e-01 707 2009 10 4.04885e-01 9.35503e-01 517 2009 11 3.10993e-01 2.31637e-01 488 2009 12 2.34301e-01 9.48128e-02 499 2010 1 1.70514e-01 8.56166e-02 768 2010 2 1.76558e-01 3.46811e-02 576 2010 3 3.67612e-01 9.36245e-02 640 2010 4 7.52882e-01 8.66748e-01 592 2010 5 4.19756e-01 7.59583e-01 742 2010 6 1.49274e-01 5.95597e-02 525 2010 7 1.72466e-01 1.16553e-01 591 2010 8 2.02219e-01 1.15418e-01 844 2010 9 1.97202e-01 7.27879e-02 844 2010 10 3.14301e-01 1.83587e-01 722 2010 11 3.29071e-01 8.86411e-02 576 2010 12 2.40676e-01 8.80719e-02 306 2011 1 1.89373e-01 7.36016e-02 636 2011 2 1.33984e-01 7.79350e-03 520 2011 3 2.53965e-01 1.44768e-01 718 2011 4 3.29888e-01 2.20744e-01 319 2011 5 2.71280e-01 7.52023e-02 226 2011 6 2.04938e-01 1.35887e-01 291 2011 7 2.21233e-01 2.17016e-01 601 2011 8 1.30354e-01 5.74256e-02 783 2011 9 2.66105e-01 3.48783e-01 407 2011 10 2.48541e-01 7.31205e-02 446 2011 11 3.12188e-01 1.69104e-01 768 2011 12 2.34799e-01 1.37698e-01 512 2012 1 1.75791e-01 6.20367e-02 756 2012 2 1.39415e-01 2.34363e-02 684 2012 3 3.02890e-01 2.25684e-01 832 2012 4 1.93207e-01 1.07632e-01 545 2012 5 3.47788e-01 5.85940e-01 289 2012 6 4.77455e-01 6.05972e-01 512 2012 7 1.64861e-01 3.44391e-02 659 2012 8 5.19257e-01 9.97677e-01 687 2012 9 2.32861e-01 1.13733e-01 832 2012 10 2.89464e-01 1.77525e-01 482 2012 11 3.05518e-01 1.26278e-01 527 2012 12 2.64520e-01 1.21452e-01 364 2013 1 1.79563e-01 1.56774e-02 563 2013 2 3.14082e-01 1.69581e-01 558 2013 3 2.65321e-01 2.06255e-01 285 2013 4 1.90818e-01 8.28778e-02 906 2013 5 1.66103e-01 3.98550e-02 316 2013 6 2.36442e-01 8.29193e-02 384 2013 7 1.54990e-01 3.19293e-02 440 2013 8 3.40337e-01 3.36798e-01 844 2013 9 2.05059e-01 5.25565e-02 1024 2013 10 3.26298e-01 2.95518e-01 526 2013 11 4.55300e-01 3.39753e-01 923 2013 12 1.81508e-01 7.08092e-02 533 2014 1 2.26099e-01 1.03052e-01 519 2014 2 1.37840e-01 1.87100e-02 644 2014 3 1.43754e-01 3.40588e-02 512 2014 4 2.43520e-01 1.46712e-01 396 2014 5 2.89894e-01 1.09085e-01 320 2014 6 2.86372e-01 3.17125e-01 527 2014 7 4.66763e-01 7.78924e-01 344 2014 8 2.13509e-01 2.00065e-01 960 2014 9 2.53483e-01 1.25266e-01 909 2014 10 2.40442e-01 9.61344e-02 530 2014 11 2.21126e-01 5.27577e-02 320 2014 12 1.93431e-01 6.62697e-02 241 2015 1 2.17419e-01 1.77677e-01 540 2015 2 2.88411e-01 1.71485e-01 522 2015 3 1.48421e-01 2.89553e-02 744 2015 4 1.09093e-01 1.44258e-02 578 2015 5 2.76546e-01 2.22838e-01 510 2015 6 1.21142e-01 6.71656e-02 451 2015 7 4.40732e-01 4.75758e-01 461 2015 8 1.41043e-01 3.98027e-02 704 2015 9 1.85597e-01 3.25108e-01 793 2015 10 3.23761e-01 1.83245e-01 766 2015 11 3.24650e-01 8.04226e-02 779 2015 12 3.04464e-01 5.88246e-02 323 2016 1 2.45433e-01 8.14098e-02 450 2016 2 2.36236e-01 1.46102e-01 576 2016 3 2.21209e-01 1.84201e-01 666 2016 4 3.17249e-01 3.97716e-01 823 2016 5 1.64367e-01 3.89042e-02 270 2016 6 1.41426e-01 3.51449e-02 577 2016 7 1.55460e-01 5.43542e-02 589 2016 8 1.79472e-01 9.25723e-02 961 2016 9 3.07835e-01 1.42300e-01 619 2016 10 5.12075e-01 9.27485e-01 599 2016 11 3.30964e-01 8.98161e-02 768 2016 12 4.68221e-01 3.14442e-01 531 2017 1 1.88302e-01 1.06405e-01 576 2017 2 1.97935e-01 9.84214e-02 618 2017 3 1.79636e-01 4.35823e-02 960 2017 4 1.71827e-01 3.32195e-02 512 2017 5 5.28756e-01 1.08047e+00 327 2017 6 2.43324e-01 1.79475e-01 441 2017 7 2.29810e-01 3.29202e-01 688 2017 8 2.99620e-01 3.62740e-01 601 2017 9 2.43241e-01 9.09025e-02 702 2017 10 4.64526e-01 2.00784e-01 647 2017 11 3.46612e-01 1.44939e-01 640 2017 12 1.97377e-01 1.96241e-01 388 2018 1 1.63404e-01 3.14842e-02 640 2018 2 1.52054e-01 2.95243e-02 441 2018 3 2.66227e-01 9.73091e-02 444 2018 4 1.66526e-01 3.96909e-02 640 2018 5 5.25979e-01 3.24549e-01 375 2018 6 2.77820e-01 2.78791e-01 527 2018 7 3.53873e-01 7.95577e-01 775 2018 8 2.42969e-01 2.24196e-01 661 2018 9 2.15266e-01 1.67187e-01 404 2018 10 4.63479e-01 7.52137e-01 635 2018 11 2.36541e-01 1.80843e-01 523 2018 12 1.96322e-01 4.80972e-02 975 2019 1 1.73630e-01 6.08719e-02 779 2019 2 2.17643e-01 1.72399e-01 506 2019 3 1.08545e-01 1.07030e-02 949 2019 4 3.57914e-01 3.59828e-01 507 2019 5 2.86471e-01 1.44177e-01 174 2019 6 5.01862e-01 4.76704e-01 314 2019 7 2.17457e-01 1.09130e-01 801 2019 8 2.09623e-01 1.60050e-01 546 2019 9 4.34167e-01 6.42928e-01 871 2019 10 5.03076e-01 3.07064e-01 376 2019 11 2.72680e-01 6.07338e-02 713 2019 12 1.77799e-01 4.45951e-02 509 2020 1 1.74865e-01 4.41080e-02 798 2020 2 1.80164e-01 5.37626e-02 564 2020 3 1.81217e-01 4.62988e-02 704 2020 4 2.88129e-01 1.40510e-01 304 2020 5 3.37407e-01 3.59613e-01 577 2020 6 1.80870e-01 6.02119e-02 318 2020 7 1.64313e-01 2.86681e-02 561 2020 8 1.85333e-01 2.43232e-02 320 2020 9 5.03013e-01 4.16454e-01 395 2020 10 3.19520e-01 4.10747e-01 638 2020 11 5.14556e-01 4.82983e-01 524 2020 12 3.39773e-01 1.43660e-01 384 2021 1 2.73374e-01 1.17480e-01 448 2021 2 1.77143e-01 4.79989e-02 461 2021 3 3.93798e-01 7.81083e-01 1147 2021 4 1.50992e-01 3.60694e-02 769 2021 5 6.11989e-01 7.50097e-01 534 2021 6 1.89820e-01 1.36954e-01 512 2021 7 4.18479e-01 1.56910e-01 278 2021 8 2.66750e-01 2.08007e-01 406 2021 9 2.68896e-01 1.68334e-01 785 2021 10 4.19212e-01 3.68837e-01 598 2021 11 6.53608e-01 6.16082e-01 842 2021 12 2.69374e-01 1.07408e-01 320 2022 1 1.76433e-01 6.05735e-02 569 2022 2 1.42671e-01 2.33446e-02 803 2022 3 1.96253e-01 1.20589e-01 640 2022 4 2.59079e-01 6.10118e-02 249 2022 5 2.94106e-01 1.64779e-01 256 2022 6 1.71961e-01 5.05870e-02 559 2022 7 3.24110e-01 7.82222e-01 961 2022 8 1.47590e-01 3.41700e-02 801 2022 9 3.99632e-01 5.38520e-01 756 2022 10 5.77969e-01 5.27581e-01 774 2022 11 3.72660e-01 3.31224e-01 979 2022 12 2.98449e-01 1.72924e-01 578 2023 1 2.78672e-01 1.14050e-01 371 2023 2 1.59622e-01 4.72689e-02 357 2023 3 1.55671e-01 6.64289e-02 557 2023 4 2.63444e-01 2.63193e-01 497 2023 5 2.90407e-01 3.88636e-01 463 2023 6 1.78212e-01 5.42333e-02 448 2023 7 5.74893e-01 9.32502e-01 620 2023 8 2.92950e-01 2.21164e-01 771 2023 9 4.19705e-01 5.66553e-01 435 2023 10 4.08924e-01 6.66903e-01 796 2023 11 7.15785e-01 5.17508e-01 661 2023 12 3.84280e-01 1.50439e-01 384 2024 1 3.33404e-01 1.54859e-01 445 2024 2 2.64048e-01 2.07309e-01 848 2024 3 2.37746e-01 5.96707e-02 531 2024 4 nan nan 0