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 2.38065e-01 5.02286e-02 292 2002 8 1.75416e-01 7.41583e-03 64 2002 9 2.15508e-01 3.71488e-02 346 2002 10 1.89332e-01 4.97831e-02 746 2002 11 2.36848e-01 4.22967e-02 710 2002 12 2.59030e-01 5.50576e-02 727 2003 1 2.45619e-01 3.80277e-02 482 2003 2 2.41467e-01 3.94538e-02 813 2003 3 2.09590e-01 2.09774e-02 544 2003 4 1.84063e-01 2.76975e-02 380 2003 5 1.90999e-01 5.63325e-02 210 2003 6 1.80710e-01 3.26163e-02 128 2003 7 2.99058e-01 6.85142e-02 190 2003 8 1.87246e-01 1.71834e-02 127 2003 9 2.11166e-01 5.27730e-02 259 2003 10 2.51349e-01 7.03527e-02 666 2003 11 2.08190e-01 5.09026e-02 946 2003 12 2.72007e-01 4.59027e-02 549 2004 1 2.43047e-01 5.55534e-02 770 2004 2 2.19686e-01 4.08676e-02 590 2004 3 1.89590e-01 5.44448e-02 195 2004 4 2.40953e-01 2.51870e-02 348 2004 5 1.80862e-01 4.32422e-02 174 2004 6 2.41005e-01 7.00336e-02 383 2004 7 2.57388e-01 7.69467e-02 279 2004 8 2.66920e-01 1.20265e-01 534 2004 9 1.87888e-01 3.06466e-02 385 2004 10 2.00473e-01 4.31006e-02 555 2004 11 1.54597e-01 2.39691e-02 499 2004 12 2.35230e-01 6.09522e-02 512 2005 1 2.24252e-01 4.84413e-02 725 2005 2 2.40304e-01 5.33556e-02 624 2005 3 2.24350e-01 7.15063e-02 265 2005 4 2.27666e-01 4.91542e-02 628 2005 5 2.09091e-01 4.15503e-02 370 2005 6 2.22726e-01 9.51662e-02 214 2005 7 2.40806e-01 3.66807e-02 249 2005 8 2.16960e-01 4.65341e-02 390 2005 9 1.93725e-01 2.53228e-02 585 2005 10 2.03345e-01 4.11156e-02 331 2005 11 3.11475e-01 7.00516e-02 499 2005 12 3.08196e-01 1.02454e-01 685 2006 1 2.77723e-01 7.60086e-02 638 2006 2 2.40122e-01 4.46253e-02 731 2006 3 2.21422e-01 3.04055e-02 949 2006 4 2.02136e-01 3.54987e-02 559 2006 5 2.09871e-01 4.13876e-02 632 2006 6 2.30759e-01 9.04357e-02 479 2006 7 2.47971e-01 5.06903e-02 269 2006 8 2.41668e-01 6.04766e-02 377 2006 9 2.41373e-01 6.31666e-02 469 2006 10 2.57124e-01 3.77749e-01 978 2006 11 2.30208e-01 5.38295e-02 588 2006 12 2.43677e-01 2.22674e-01 261 2007 1 2.24754e-01 9.44587e-02 440 2007 2 2.32813e-01 4.83464e-02 434 2007 3 2.13133e-01 4.72360e-02 315 2007 4 1.99608e-01 4.25833e-02 419 2007 5 2.24581e-01 3.87012e-02 316 2007 6 2.36160e-01 8.17479e-02 391 2007 7 2.42843e-01 8.89881e-02 394 2007 8 2.80148e-01 6.85344e-02 344 2007 9 2.45285e-01 4.72623e-02 281 2007 10 1.89106e-01 4.06786e-02 389 2007 11 2.30541e-01 6.86401e-02 888 2007 12 2.38203e-01 5.81483e-02 751 2008 1 2.39519e-01 9.73770e-02 364 2008 2 2.22825e-01 5.59013e-02 448 2008 3 2.52080e-01 4.19853e-02 569 2008 4 2.07452e-01 5.32869e-02 450 2008 5 1.99279e-01 6.57649e-02 442 2008 6 2.01743e-01 7.38776e-02 235 2008 7 2.40751e-01 4.30282e-02 178 2008 8 2.35457e-01 4.11539e-02 319 2008 9 1.60908e-01 2.35708e-02 221 2008 10 1.56379e-01 1.78892e-02 420 2008 11 2.36235e-01 7.93656e-02 935 2008 12 2.61512e-01 7.65934e-02 740 2009 1 2.46922e-01 6.22767e-02 449 2009 2 2.60892e-01 4.10769e-02 371 2009 3 2.20877e-01 4.88515e-02 539 2009 4 2.31684e-01 2.92788e-02 239 2009 5 2.13939e-01 6.45533e-02 241 2009 6 2.42106e-01 6.64402e-02 176 2009 7 2.64951e-01 8.07259e-02 397 2009 8 3.04599e-01 1.64546e-01 269 2009 9 2.61456e-01 5.08173e-02 336 2009 10 2.27782e-01 8.60621e-02 695 2009 11 2.11166e-01 4.17529e-02 651 2009 12 2.47513e-01 7.25203e-02 509 2010 1 3.06628e-01 5.65328e-02 345 2010 2 2.53509e-01 4.53491e-02 347 2010 3 2.43101e-01 3.10584e-02 405 2010 4 2.27332e-01 3.62390e-02 280 2010 5 2.17086e-01 2.72449e-02 387 2010 6 2.30933e-01 5.23322e-02 389 2010 7 2.33630e-01 6.63785e-02 182 2010 8 2.46683e-01 3.79919e-02 256 2010 9 1.94296e-01 3.96316e-02 147 2010 10 2.18424e-01 3.55316e-02 949 2010 11 2.76026e-01 9.30878e-02 831 2010 12 2.73321e-01 5.94207e-02 795 2011 1 2.49541e-01 5.27366e-02 649 2011 2 2.63946e-01 7.61161e-02 820 2011 3 2.45278e-01 4.97735e-02 699 2011 4 2.55611e-01 5.24294e-02 571 2011 5 2.25290e-01 6.15354e-02 595 2011 6 2.01835e-01 2.99842e-02 334 2011 7 2.29952e-01 5.48283e-02 412 2011 8 2.12773e-01 3.12303e-02 175 2011 9 2.48678e-01 4.83299e-02 558 2011 10 2.08278e-01 5.75216e-02 354 2011 11 2.00260e-01 5.47710e-02 900 2011 12 1.67511e-01 3.83615e-02 898 2012 1 2.92766e-01 4.95876e-02 738 2012 2 2.12285e-01 2.82367e-02 329 2012 3 1.68243e-01 2.78741e-02 594 2012 4 2.38695e-01 4.00153e-02 567 2012 5 1.97235e-01 3.73438e-02 291 2012 6 2.58291e-01 4.94097e-02 291 2012 7 3.07666e-01 7.62905e-02 236 2012 8 2.57462e-01 7.60010e-02 358 2012 9 2.25939e-01 2.78723e-02 369 2012 10 2.48159e-01 5.06510e-02 673 2012 11 2.80537e-01 7.44268e-02 844 2012 12 2.76867e-01 8.53850e-02 471 2013 1 2.22105e-01 1.16211e-01 390 2013 2 2.36109e-01 5.66254e-02 436 2013 3 2.40615e-01 1.73541e-01 647 2013 4 2.05236e-01 3.37570e-02 491 2013 5 2.45401e-01 5.29956e-02 320 2013 6 2.32160e-01 5.41644e-02 103 2013 7 2.46013e-01 3.79718e-02 180 2013 8 2.15416e-01 3.50274e-02 74 2013 9 2.90576e-01 9.27298e-02 247 2013 10 2.58905e-01 7.16833e-02 630 2013 11 1.77608e-01 3.39610e-02 546 2013 12 1.95154e-01 4.53454e-02 501 2014 1 2.76086e-01 1.31160e-01 375 2014 2 2.68628e-01 7.96126e-02 596 2014 3 2.52363e-01 4.60715e-02 453 2014 4 2.40592e-01 7.01484e-02 436 2014 5 2.28998e-01 6.14734e-02 307 2014 6 2.57702e-01 6.86484e-02 477 2014 7 2.43186e-01 7.19610e-02 241 2014 8 3.11068e-01 1.37657e-01 601 2014 9 2.43453e-01 5.76775e-02 272 2014 10 2.25638e-01 5.47051e-02 755 2014 11 2.73179e-01 7.27083e-02 618 2014 12 2.78260e-01 6.60282e-02 541 2015 1 2.68818e-01 9.76655e-02 685 2015 2 2.35186e-01 4.55193e-02 730 2015 3 2.47876e-01 1.14406e-01 411 2015 4 2.44761e-01 3.46455e-02 316 2015 5 2.91965e-01 1.20557e-01 430 2015 6 2.65404e-01 6.96323e-02 244 2015 7 2.96819e-01 3.44954e-02 344 2015 8 2.73681e-01 7.59058e-02 523 2015 9 2.42480e-01 4.44420e-02 230 2015 10 1.73551e-01 2.74626e-02 694 2015 11 1.70759e-01 2.23695e-02 540 2015 12 1.86822e-01 3.68488e-02 343 2016 1 2.83099e-01 1.15340e-01 332 2016 2 3.34375e-01 9.32999e-02 458 2016 3 2.73805e-01 6.19843e-02 412 2016 4 2.34843e-01 4.97472e-02 363 2016 5 2.64121e-01 8.00296e-02 332 2016 6 3.35188e-01 8.90397e-02 371 2016 7 3.11160e-01 1.01056e-01 318 2016 8 2.91179e-01 7.39126e-02 186 2016 9 2.25118e-01 4.91910e-02 332 2016 10 2.93732e-01 9.59674e-02 526 2016 11 2.13674e-01 2.80983e-02 667 2016 12 1.97912e-01 3.29805e-02 511 2017 1 2.43266e-01 6.13387e-02 404 2017 2 2.63787e-01 1.09718e-01 574 2017 3 2.39753e-01 6.47132e-02 553 2017 4 2.07525e-01 6.98740e-02 419 2017 5 2.37797e-01 9.27192e-02 452 2017 6 2.26825e-01 4.07710e-02 260 2017 7 2.19671e-01 9.83389e-02 137 2017 8 2.92706e-01 1.22804e-01 454 2017 9 2.68696e-01 2.70067e-01 642 2017 10 1.89960e-01 3.03004e-02 312 2017 11 3.71924e-01 8.53017e-02 358 2017 12 3.18208e-01 6.20014e-02 581 2018 1 2.57235e-01 6.72921e-02 478 2018 2 2.38831e-01 6.58803e-02 435 2018 3 2.43618e-01 5.23665e-02 604 2018 4 2.41797e-01 6.02803e-02 595 2018 5 2.13045e-01 9.74434e-03 64 2018 6 3.26215e-01 6.74588e-02 127 2018 7 2.51381e-01 9.98380e-02 539 2018 8 2.97499e-01 1.39386e-01 385 2018 9 3.63789e-01 3.46504e-01 344 2018 10 2.35530e-01 6.77014e-02 677 2018 11 3.17158e-01 7.33885e-02 273 2018 12 2.78114e-01 7.49687e-02 580 2019 1 2.24678e-01 4.97329e-02 641 2019 2 2.13300e-01 6.65862e-02 515 2019 3 2.38310e-01 5.77780e-02 669 2019 4 2.84262e-01 5.90117e-02 368 2019 5 3.12561e-01 8.07552e-02 357 2019 6 3.02521e-01 8.61315e-02 572 2019 7 3.16997e-01 1.06873e-01 198 2019 8 2.50927e-01 1.00723e-01 394 2019 9 2.18439e-01 4.60488e-02 403 2019 10 2.19801e-01 7.58216e-02 365 2019 11 2.08267e-01 5.41771e-02 675 2019 12 2.58509e-01 5.58762e-02 385 2020 1 2.18924e-01 7.28029e-02 511 2020 2 2.36489e-01 6.69934e-02 810 2020 3 1.96461e-01 3.56564e-02 486 2020 4 2.73521e-01 4.90260e-02 208 2020 5 2.36278e-01 4.65381e-02 355 2020 6 3.21318e-01 7.93121e-02 279 2020 7 2.50554e-01 4.39406e-02 300 2020 8 2.40643e-01 6.37468e-02 456 2020 9 2.22022e-01 2.98272e-02 295 2020 10 1.80466e-01 2.66480e-02 254 2020 11 1.66720e-01 1.89976e-02 189 2020 12 2.56510e-01 4.56470e-02 640 2021 1 2.49353e-01 6.82861e-02 485 2021 2 2.26132e-01 5.98323e-02 469 2021 3 2.24536e-01 6.73749e-02 458 2021 4 2.29617e-01 4.04128e-02 431 2021 5 2.52420e-01 7.84849e-02 334 2021 6 2.69311e-01 5.34001e-02 53 2021 7 2.67330e-01 2.33555e-02 132 2021 8 1.98379e-01 2.71207e-02 109 2021 9 2.97872e-01 2.39674e-01 337 2021 10 2.27425e-01 7.07034e-02 488 2021 11 2.55441e-01 9.10171e-02 536 2021 12 2.55751e-01 5.22938e-02 502 2022 1 2.51911e-01 6.93435e-02 518 2022 2 2.40245e-01 9.16243e-02 413 2022 3 2.20905e-01 6.60127e-02 153 2022 4 1.90014e-01 7.27551e-03 14 2022 5 2.49468e-01 5.63675e-02 419 2022 6 2.76475e-01 6.82524e-02 348 2022 7 2.92681e-01 7.21098e-02 312 2022 8 2.31184e-01 8.99816e-02 222 2022 9 2.98317e-01 6.33799e-02 321 2022 10 3.22012e-01 7.75199e-02 400 2022 11 2.54821e-01 7.85103e-02 255 2022 12 2.14944e-01 6.41019e-02 633 2023 1 2.83609e-01 5.54062e-02 636 2023 2 2.75592e-01 9.98391e-02 475 2023 3 2.72757e-01 5.08257e-02 384 2023 4 2.08048e-01 3.78336e-02 207 2023 5 2.45156e-01 4.27367e-02 715 2023 6 2.61241e-01 3.61992e-02 335 2023 7 2.75056e-01 9.76068e-02 223 2023 8 2.21438e-01 4.53647e-02 451 2023 9 2.36745e-01 4.15613e-02 521 2023 10 2.45113e-01 8.01215e-02 721 2023 11 1.88382e-01 3.38985e-02 739 2023 12 2.05085e-01 4.55993e-02 357 2024 1 2.19478e-01 5.94476e-02 244 2024 2 2.22153e-01 5.07183e-02 584 2024 3 2.34711e-01 4.36275e-02 414 2024 4 nan nan 0