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 1.04590e-02 3.92153e-04 128 2002 8 1.28638e-02 2.30936e-03 291 2002 9 9.67174e-03 1.38593e-02 268 2002 10 1.11206e-02 3.06511e-03 302 2002 11 1.01856e-02 1.64391e-03 903 2002 12 9.12354e-03 9.64104e-04 860 2003 1 9.55453e-03 5.36668e-03 846 2003 2 7.88233e-03 1.03336e-02 547 2003 3 9.11471e-03 1.02752e-02 635 2003 4 7.31449e-03 4.91846e-04 110 2003 5 9.02634e-03 5.46110e-03 250 2003 6 2.06897e-02 4.03370e-04 64 2003 7 2.18107e-02 1.61164e-03 84 2003 8 1.00646e-02 5.33640e-03 195 2003 9 8.47631e-03 1.39146e-03 195 2003 10 1.01507e-02 2.30240e-03 576 2003 11 1.08010e-02 3.47944e-03 262 2003 12 1.00961e-02 1.19409e-02 645 2004 1 1.17431e-02 2.70405e-03 994 2004 2 1.03721e-02 1.26051e-03 789 2004 3 9.00762e-03 3.44725e-03 564 2004 4 8.07448e-03 8.91967e-03 621 2004 5 9.48608e-03 7.18904e-04 128 2004 6 1.09983e-02 1.30156e-02 156 2004 7 1.15126e-02 1.57716e-03 97 2004 8 1.71128e-02 6.61386e-03 192 2004 9 2.93892e-02 2.03869e-02 284 2004 10 1.09462e-02 9.02664e-03 384 2004 11 1.01141e-02 4.61037e-03 463 2004 12 9.91202e-03 1.56517e-03 523 2005 1 1.13098e-02 5.39795e-03 418 2005 2 1.53093e-02 2.10678e-02 482 2005 3 6.32172e-03 1.08468e-02 759 2005 4 4.08880e-03 1.15526e-02 470 2005 5 8.08166e-03 2.58347e-04 128 2005 6 8.47004e-03 2.98666e-04 64 2005 7 1.06599e-02 5.47492e-04 139 2005 8 8.00795e-03 1.46369e-02 123 2005 9 5.84572e-03 1.30201e-02 387 2005 10 9.36576e-03 9.02974e-04 154 2005 11 1.24896e-02 8.85077e-03 484 2005 12 1.23281e-02 8.70187e-03 751 2006 1 1.03615e-02 8.43547e-03 781 2006 2 8.46991e-03 1.17444e-02 834 2006 3 1.06968e-02 1.67865e-03 416 2006 4 1.19728e-02 2.48463e-03 534 2006 5 8.84775e-03 8.25559e-04 313 2006 6 4.76101e-03 9.80040e-03 71 2006 7 2.20083e-02 6.47757e-03 133 2006 8 2.40878e-03 1.36942e-02 149 2006 9 1.14181e-02 1.86040e-03 441 2006 10 9.53862e-03 9.75058e-04 324 2006 11 1.02026e-02 7.65027e-03 732 2006 12 1.30830e-02 2.68963e-03 713 2007 1 1.35584e-02 4.58357e-03 975 2007 2 1.20761e-02 8.47836e-03 952 2007 3 -7.45004e-03 1.73303e-02 237 2007 4 1.00653e-02 1.44376e-03 320 2007 5 8.86182e-03 1.65535e-03 179 2007 6 1.43112e-02 3.18107e-03 188 2007 7 1.58381e-02 3.96844e-03 140 2007 8 -7.18441e-03 2.56807e-02 175 2007 9 1.15167e-02 5.54993e-03 344 2007 10 7.77887e-03 8.06285e-03 248 2007 11 1.19628e-02 5.07172e-03 547 2007 12 1.36932e-02 3.18522e-03 555 2008 1 1.40499e-02 7.80105e-03 680 2008 2 9.83874e-03 1.33088e-02 591 2008 3 1.11707e-02 5.80108e-03 322 2008 4 9.65739e-03 4.04046e-03 367 2008 5 8.04505e-03 1.03517e-02 400 2008 6 1.26092e-02 4.05522e-03 140 2008 7 -7.40255e-03 2.40875e-02 317 2008 8 1.20693e-02 3.47573e-03 187 2008 9 1.28984e-02 2.45784e-03 256 2008 10 9.50918e-03 6.78191e-03 644 2008 11 9.69329e-03 1.11691e-03 578 2008 12 1.05147e-02 2.96224e-02 590 2009 1 9.28616e-03 1.12731e-02 810 2009 2 1.00411e-02 2.61173e-02 476 2009 3 5.86423e-03 1.72040e-02 324 2009 4 2.35428e-02 2.33925e-02 437 2009 5 5.60710e-03 5.28780e-02 192 2009 6 2.31792e-02 1.51092e-03 73 2009 7 -1.26072e-02 3.92490e-02 168 2009 8 1.16476e-02 7.86327e-03 320 2009 9 1.10994e-02 2.16342e-03 469 2009 10 9.98073e-03 8.32948e-03 519 2009 11 9.64079e-03 5.68652e-03 535 2009 12 1.15049e-02 3.23476e-03 820 2010 1 1.24987e-02 7.71066e-03 787 2010 2 1.09386e-02 1.09675e-02 504 2010 3 1.25683e-03 1.86960e-02 546 2010 4 1.36298e-02 3.82198e-03 320 2010 5 1.24279e-02 2.63668e-03 84 2010 6 8.39072e-03 7.97136e-04 128 2010 7 -5.46513e-02 3.02163e-02 256 2010 8 2.12773e-03 4.90884e-02 368 2010 9 1.54756e-02 1.54981e-03 271 2010 10 1.14075e-02 1.23934e-02 412 2010 11 -1.05329e-02 3.95896e-02 431 2010 12 4.47964e-03 2.75959e-02 611 2011 1 9.19924e-03 1.22924e-02 717 2011 2 5.87132e-03 1.82949e-02 509 2011 3 1.33863e-02 3.37312e-03 523 2011 4 5.22636e-03 1.30413e-02 440 2011 5 1.26289e-02 4.04706e-05 4 2011 6 1.25695e-02 3.05540e-03 128 2011 7 1.11678e-02 1.55707e-03 157 2011 8 1.39575e-02 3.79544e-03 264 2011 9 1.07287e-02 6.25107e-04 258 2011 10 1.02127e-02 1.23602e-03 502 2011 11 9.39362e-03 1.53868e-03 499 2011 12 1.03296e-02 2.72684e-03 496 2012 1 1.13770e-02 9.16077e-03 897 2012 2 1.17469e-03 1.63147e-02 624 2012 3 2.02555e-03 1.47079e-02 305 2012 4 1.25115e-02 2.92767e-03 371 2012 5 9.30882e-03 4.61252e-04 256 2012 6 9.18568e-03 8.65704e-03 165 2012 7 1.40844e-02 7.33015e-04 221 2012 8 8.52564e-03 1.82376e-02 213 2012 9 1.46219e-02 7.55078e-03 287 2012 10 1.39535e-02 3.62594e-03 512 2012 11 1.03681e-02 1.58890e-03 834 2012 12 1.13315e-02 2.17649e-03 700 2013 1 1.66118e-02 3.79829e-03 589 2013 2 6.04086e-03 1.74520e-02 733 2013 3 5.99087e-03 2.09014e-02 625 2013 4 4.03098e-03 1.46167e-02 406 2013 5 8.66727e-03 7.43131e-03 238 2013 6 nan nan 0 2013 7 1.50860e-02 5.77481e-03 257 2013 8 1.86032e-02 1.33117e-02 331 2013 9 7.77492e-03 2.48347e-02 305 2013 10 1.17317e-02 1.08266e-03 223 2013 11 1.53855e-02 3.55283e-03 368 2013 12 1.27852e-02 1.09343e-02 815 2014 1 1.58714e-02 2.60335e-03 897 2014 2 7.34354e-03 1.68781e-02 529 2014 3 3.13448e-03 1.71949e-02 676 2014 4 1.00406e-02 1.72398e-03 406 2014 5 1.02567e-02 2.08900e-03 254 2014 6 9.18165e-03 4.55209e-03 286 2014 7 7.95898e-03 7.03411e-04 160 2014 8 -4.23172e-03 2.14468e-02 250 2014 9 7.68612e-03 1.14180e-02 532 2014 10 4.37707e-03 2.56717e-02 585 2014 11 6.13978e-03 2.59630e-02 642 2014 12 1.13684e-02 6.83053e-03 781 2015 1 1.16424e-02 4.68048e-03 883 2015 2 1.31433e-02 3.34898e-03 556 2015 3 2.81311e-03 1.67652e-02 510 2015 4 5.10352e-03 1.35073e-02 451 2015 5 -1.16981e-02 2.65911e-02 274 2015 6 -9.12782e-03 2.01523e-02 103 2015 7 1.56216e-02 2.33558e-03 128 2015 8 1.15892e-02 1.66550e-03 411 2015 9 1.00942e-02 1.15719e-03 515 2015 10 6.32239e-03 1.31385e-02 601 2015 11 1.26693e-02 6.95326e-03 438 2015 12 1.03295e-02 1.15879e-02 532 2016 1 1.28311e-02 1.40068e-02 530 2016 2 7.26944e-03 2.16638e-02 743 2016 3 7.14207e-03 1.17661e-02 448 2016 4 3.66504e-03 1.48950e-02 421 2016 5 1.29687e-02 1.43162e-03 118 2016 6 -3.34212e-03 1.90338e-02 192 2016 7 -6.11161e-04 2.32713e-02 235 2016 8 9.09357e-03 3.11621e-03 220 2016 9 9.42830e-03 1.46588e-03 384 2016 10 1.61237e-02 7.09129e-03 192 2016 11 1.10526e-02 1.09770e-02 310 2016 12 1.02392e-02 1.72089e-02 468 2017 1 1.01528e-02 1.67521e-02 666 2017 2 -1.52174e-03 2.10156e-02 722 2017 3 5.73976e-03 1.91459e-02 430 2017 4 1.24842e-02 2.86970e-03 203 2017 5 9.69242e-03 1.60435e-03 220 2017 6 3.09138e-03 1.48629e-02 312 2017 7 -1.00165e-02 4.14457e-02 420 2017 8 -5.71660e-03 4.22865e-02 184 2017 9 1.39970e-02 3.32296e-03 275 2017 10 1.46227e-02 9.54590e-04 192 2017 11 1.53847e-02 1.12907e-02 520 2017 12 1.32665e-02 2.58181e-03 735 2018 1 8.36361e-03 1.33566e-02 632 2018 2 1.13630e-02 1.03260e-02 380 2018 3 7.37341e-03 1.87529e-02 576 2018 4 1.72352e-03 1.54664e-02 320 2018 5 1.24732e-02 2.09058e-03 418 2018 6 3.63377e-04 2.94792e-02 281 2018 7 1.76528e-02 5.04373e-03 88 2018 8 9.61258e-03 5.56737e-03 294 2018 9 5.18776e-03 1.42930e-02 448 2018 10 -8.79209e-03 4.28023e-02 539 2018 11 7.83191e-03 3.16733e-02 708 2018 12 9.87029e-03 1.18061e-02 783 2019 1 9.31121e-03 1.30434e-02 665 2019 2 2.84879e-03 1.76956e-02 697 2019 3 -2.68198e-03 1.84447e-02 530 2019 4 -1.39244e-03 1.77929e-02 532 2019 5 1.12794e-02 1.41830e-03 28 2019 6 9.33392e-03 1.51745e-03 75 2019 7 9.96221e-03 8.54364e-04 199 2019 8 -4.90759e-03 2.10575e-02 512 2019 9 1.18138e-02 1.80545e-03 181 2019 10 8.96852e-03 9.03835e-03 647 2019 11 7.99288e-03 1.37399e-02 805 2019 12 1.13387e-02 2.48669e-03 587 2020 1 1.32896e-02 3.62784e-03 514 2020 2 1.45694e-02 4.46900e-03 465 2020 3 4.79064e-03 1.38907e-02 433 2020 4 3.01556e-03 1.36981e-02 716 2020 5 -8.23547e-04 1.58034e-02 229 2020 6 7.73260e-03 8.58302e-03 569 2020 7 9.47612e-03 1.94414e-03 285 2020 8 1.04556e-03 1.74268e-02 267 2020 9 -2.95052e-03 2.99111e-02 279 2020 10 1.17162e-02 3.12702e-03 325 2020 11 5.87386e-03 1.48532e-02 497 2020 12 9.17720e-03 1.29660e-02 752 2021 1 1.30168e-02 3.05531e-03 815 2021 2 1.61897e-03 1.70862e-02 714 2021 3 5.98630e-03 1.20407e-02 663 2021 4 -3.99425e-03 2.79448e-02 428 2021 5 7.67095e-03 1.26129e-03 192 2021 6 nan nan 0 2021 7 2.13128e-03 2.71568e-02 190 2021 8 -6.27071e-03 2.07671e-02 146 2021 9 1.07081e-02 2.00138e-03 337 2021 10 4.78959e-03 2.12872e-02 464 2021 11 1.28001e-02 8.79071e-03 751 2021 12 9.70243e-03 3.37414e-03 865 2022 1 1.07561e-02 2.56724e-03 1078 2022 2 1.15809e-02 4.67341e-03 621 2022 3 6.77792e-03 1.33259e-03 244 2022 4 7.14299e-03 3.15562e-04 7 2022 5 9.16999e-03 1.39769e-03 306 2022 6 8.13523e-03 9.15511e-04 438 2022 7 1.00910e-02 1.13226e-03 188 2022 8 1.33230e-02 3.74909e-03 384 2022 9 1.33672e-02 7.41636e-03 228 2022 10 1.20608e-02 1.97728e-03 285 2022 11 1.19185e-02 3.37360e-03 882 2022 12 1.11613e-02 4.83096e-03 1146 2023 1 9.55562e-03 2.55492e-03 693 2023 2 6.86827e-03 1.62989e-03 522 2023 3 8.46448e-03 2.69005e-03 964 2023 4 7.36253e-03 5.12098e-03 642 2023 5 5.98449e-03 1.60750e-03 610 2023 6 8.99207e-03 3.59357e-03 200 2023 7 nan nan 0 2023 8 9.40542e-03 2.89611e-03 336 2023 9 8.85111e-03 2.20411e-03 384 2023 10 7.44069e-03 2.31085e-03 475 2023 11 1.23543e-02 1.93858e-03 398 2023 12 1.24210e-02 2.17866e-02 809 2024 1 1.22864e-02 3.07900e-03 572 2024 2 1.11569e-02 2.23381e-03 722 2024 3 7.91979e-03 1.51461e-03 512 2024 4 5.96567e-03 1.11051e-03 128