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 1.30234e-02 5.59039e-03 489 2002 8 7.94867e-03 1.24480e-03 284 2002 9 8.60571e-03 9.72621e-04 391 2002 10 8.17195e-03 1.45722e-03 843 2002 11 1.15265e-02 6.85318e-03 714 2002 12 1.33508e-02 1.64442e-03 703 2003 1 1.84012e-02 5.66011e-03 960 2003 2 1.64787e-02 3.08500e-03 904 2003 3 2.83936e-02 1.33456e-02 713 2003 4 1.05800e-02 5.95952e-03 294 2003 5 1.01485e-02 4.85925e-03 378 2003 6 1.04690e-02 1.69244e-03 286 2003 7 1.56109e-02 9.51253e-03 257 2003 8 1.67342e-02 1.03729e-02 161 2003 9 1.11823e-02 3.39735e-03 440 2003 10 1.52782e-02 4.61474e-03 740 2003 11 1.28303e-02 2.90297e-03 575 2003 12 1.81685e-02 9.17757e-03 571 2004 1 1.75029e-02 3.93484e-03 676 2004 2 1.40105e-02 2.85513e-03 832 2004 3 1.15472e-02 1.52022e-03 704 2004 4 1.32346e-02 2.35802e-03 500 2004 5 1.09657e-02 7.15981e-04 320 2004 6 1.25294e-02 8.69995e-03 542 2004 7 2.13421e-02 1.04165e-02 331 2004 8 1.39896e-02 3.50904e-03 766 2004 9 1.15589e-02 2.42342e-03 253 2004 10 1.00495e-02 1.00350e-03 602 2004 11 1.11439e-02 2.63008e-03 733 2004 12 1.38734e-02 2.97271e-03 499 2005 1 1.70615e-02 6.23560e-03 853 2005 2 1.50694e-02 2.72298e-03 637 2005 3 1.82948e-02 7.44977e-03 528 2005 4 1.55041e-02 3.94399e-03 570 2005 5 1.36748e-02 5.53327e-03 376 2005 6 1.02303e-02 1.64798e-03 341 2005 7 9.44087e-03 5.15379e-04 294 2005 8 1.25320e-02 4.10288e-03 445 2005 9 2.01421e-02 9.52861e-03 578 2005 10 1.22132e-02 6.34862e-03 411 2005 11 1.89614e-02 6.60759e-03 543 2005 12 4.90378e-02 2.29349e-02 918 2006 1 2.46168e-02 1.01984e-02 827 2006 2 3.01556e-02 8.95808e-03 698 2006 3 2.74802e-02 2.30208e-02 851 2006 4 9.58422e-03 1.23161e-03 625 2006 5 1.21310e-02 3.07918e-03 530 2006 6 1.37772e-02 4.70852e-03 490 2006 7 2.00264e-02 5.87394e-03 384 2006 8 1.12810e-02 1.49831e-03 331 2006 9 1.49746e-02 6.09098e-03 346 2006 10 1.07623e-02 2.57175e-03 583 2006 11 1.79056e-02 7.43141e-03 491 2006 12 1.06437e-02 6.77135e-04 71 2007 1 1.15273e-02 1.54184e-03 451 2007 2 2.05185e-02 5.37398e-03 473 2007 3 1.35906e-02 3.02312e-03 498 2007 4 1.12042e-02 1.87015e-03 501 2007 5 1.05173e-02 2.74141e-03 384 2007 6 1.56172e-02 1.01186e-02 454 2007 7 1.13361e-02 7.21857e-03 358 2007 8 1.26279e-02 2.76893e-03 384 2007 9 1.17045e-02 1.74354e-03 560 2007 10 1.03805e-02 1.87629e-03 512 2007 11 1.53421e-02 4.49565e-03 704 2007 12 1.74191e-02 4.63081e-03 714 2008 1 1.44688e-02 2.45439e-03 741 2008 2 1.41269e-02 3.34554e-03 612 2008 3 2.30820e-02 1.14867e-02 575 2008 4 9.48836e-03 8.72977e-04 521 2008 5 1.06283e-02 3.72368e-03 450 2008 6 9.87441e-03 2.51411e-03 503 2008 7 9.06394e-03 3.41822e-04 216 2008 8 1.10850e-02 2.22780e-03 293 2008 9 1.00458e-02 8.41037e-04 361 2008 10 1.05930e-02 3.38738e-03 549 2008 11 1.44426e-02 3.21967e-03 719 2008 12 1.42820e-02 2.70531e-03 704 2009 1 1.98437e-02 4.93990e-03 591 2009 2 2.26554e-02 8.53835e-03 587 2009 3 1.62616e-02 8.40218e-03 640 2009 4 1.50645e-02 7.26534e-03 427 2009 5 9.25139e-03 8.22102e-04 602 2009 6 2.26468e-02 1.20919e-02 259 2009 7 1.49506e-02 6.92127e-03 293 2009 8 1.04073e-02 1.82309e-03 389 2009 9 1.25456e-02 3.63729e-03 314 2009 10 1.14251e-02 2.49411e-03 731 2009 11 1.54824e-02 5.51967e-03 465 2009 12 1.44324e-02 6.54477e-03 693 2010 1 1.78383e-02 3.30943e-03 382 2010 2 2.66169e-02 9.93608e-03 576 2010 3 3.72248e-02 2.89322e-02 218 2010 4 1.32880e-02 1.77592e-03 512 2010 5 1.01929e-02 1.87263e-03 461 2010 6 1.21155e-02 5.93093e-03 676 2010 7 1.47846e-02 2.57184e-03 426 2010 8 1.83304e-02 7.52331e-03 277 2010 9 1.16521e-02 1.08606e-02 269 2010 10 1.40239e-02 5.41535e-03 831 2010 11 1.30326e-02 2.05181e-03 777 2010 12 1.57891e-02 4.87704e-03 906 2011 1 1.78114e-02 5.43759e-03 539 2011 2 1.99051e-02 5.45503e-03 956 2011 3 2.44365e-02 8.45647e-03 763 2011 4 1.55224e-02 5.40580e-03 704 2011 5 1.53826e-02 8.06063e-03 493 2011 6 8.84823e-03 8.75031e-04 463 2011 7 1.27218e-02 2.26447e-03 487 2011 8 1.51557e-02 1.86501e-03 133 2011 9 1.98526e-02 6.91969e-03 411 2011 10 2.11089e-02 7.04212e-03 442 2011 11 1.72227e-02 8.70401e-03 893 2011 12 1.23266e-02 1.96750e-03 667 2012 1 1.51483e-02 5.80550e-03 717 2012 2 1.41849e-02 1.82004e-03 271 2012 3 1.06900e-02 1.07544e-03 508 2012 4 1.42046e-02 3.86181e-03 567 2012 5 1.50381e-02 9.34248e-03 434 2012 6 1.93253e-02 6.29838e-03 281 2012 7 1.58851e-02 3.08486e-03 254 2012 8 1.69992e-02 6.44663e-03 359 2012 9 2.33703e-02 1.39559e-02 695 2012 10 1.36354e-02 4.42049e-03 481 2012 11 1.36023e-02 2.71167e-03 833 2012 12 1.27898e-02 2.49962e-03 381 2013 1 1.21676e-02 6.06797e-03 496 2013 2 1.31220e-02 2.64936e-03 688 2013 3 1.56376e-02 1.99612e-03 704 2013 4 1.28442e-02 3.01619e-03 381 2013 5 1.21770e-02 2.93606e-03 512 2013 6 1.09953e-02 3.13817e-03 211 2013 7 1.62247e-02 1.17596e-02 320 2013 8 1.35055e-02 1.72648e-03 128 2013 9 1.62185e-02 3.45712e-03 385 2013 10 1.51548e-02 3.99635e-03 605 2013 11 1.13183e-02 6.90743e-03 302 2013 12 1.24182e-02 8.20507e-04 319 2014 1 1.75854e-02 4.55587e-03 533 2014 2 1.19336e-02 1.73243e-03 638 2014 3 1.68458e-02 4.33621e-03 768 2014 4 1.54101e-02 4.76379e-03 518 2014 5 1.30835e-02 2.73358e-03 175 2014 6 1.45443e-02 6.72711e-03 472 2014 7 1.05541e-02 2.43906e-03 309 2014 8 2.21962e-02 1.37473e-02 549 2014 9 2.12307e-02 9.57722e-03 212 2014 10 1.76695e-02 4.46670e-03 621 2014 11 2.41629e-02 8.44448e-03 726 2014 12 1.37756e-02 3.17763e-03 675 2015 1 1.56545e-02 6.62000e-03 489 2015 2 1.71663e-02 4.48455e-03 504 2015 3 1.37394e-02 6.92651e-03 880 2015 4 1.13689e-02 3.91078e-03 318 2015 5 1.10254e-02 2.87173e-03 569 2015 6 9.37737e-03 1.29368e-03 401 2015 7 1.59438e-02 6.29320e-03 450 2015 8 2.93021e-02 6.79412e-03 337 2015 9 2.07574e-02 4.84223e-03 305 2015 10 1.36670e-02 2.82216e-03 581 2015 11 2.00335e-02 1.34734e-02 511 2015 12 2.02879e-02 7.41780e-03 459 2016 1 2.58770e-02 6.39053e-03 130 2016 2 2.06618e-02 5.53138e-03 522 2016 3 1.49682e-02 4.00247e-03 631 2016 4 1.19051e-02 1.60018e-03 434 2016 5 1.36836e-02 2.81458e-03 511 2016 6 3.86036e-02 3.17365e-02 392 2016 7 1.21975e-02 3.51050e-03 499 2016 8 1.41542e-02 2.08871e-03 325 2016 9 2.27827e-02 2.49500e-02 564 2016 10 1.89958e-02 5.33782e-03 487 2016 11 1.71861e-02 4.11314e-03 825 2016 12 1.65256e-02 5.59927e-03 290 2017 1 1.68364e-02 4.10513e-03 547 2017 2 2.24401e-02 1.19955e-02 814 2017 3 1.21856e-02 2.96304e-03 511 2017 4 1.27060e-02 3.81157e-03 285 2017 5 1.24659e-02 6.25159e-03 603 2017 6 8.72161e-03 1.58794e-03 446 2017 7 1.10412e-02 1.71555e-03 333 2017 8 2.32804e-02 7.53766e-03 621 2017 9 2.44836e-02 1.71921e-02 406 2017 10 1.85825e-02 6.99252e-03 479 2017 11 2.33329e-02 1.31886e-02 1024 2017 12 2.12204e-02 9.56550e-03 1143 2018 1 2.92858e-02 1.49529e-02 520 2018 2 1.82397e-02 7.56346e-03 808 2018 3 1.97447e-02 6.50689e-03 726 2018 4 1.31874e-02 3.53008e-03 576 2018 5 1.45853e-02 4.26422e-03 170 2018 6 1.08251e-02 1.98750e-03 200 2018 7 1.69099e-02 7.49110e-03 547 2018 8 1.24053e-02 4.04544e-03 381 2018 9 2.43338e-02 5.19587e-02 415 2018 10 2.46773e-02 6.52933e-03 712 2018 11 2.22984e-02 4.91285e-03 533 2018 12 1.55730e-02 3.36635e-03 610 2019 1 1.64148e-02 4.24764e-03 578 2019 2 1.48048e-02 3.65123e-03 690 2019 3 1.35257e-02 2.72875e-03 596 2019 4 1.40616e-02 4.74120e-03 702 2019 5 3.00747e-02 1.57881e-02 512 2019 6 1.40961e-02 3.85562e-03 581 2019 7 1.60776e-02 4.60677e-03 423 2019 8 1.33274e-02 4.22454e-03 409 2019 9 1.53757e-02 4.46388e-03 390 2019 10 1.53448e-02 4.24901e-03 519 2019 11 1.39654e-02 4.08234e-03 681 2019 12 1.33649e-02 3.40641e-03 561 2020 1 1.69094e-02 7.65520e-03 802 2020 2 1.78620e-02 4.85886e-03 586 2020 3 1.50626e-02 1.47102e-02 534 2020 4 2.12392e-02 1.15144e-02 460 2020 5 1.47795e-02 4.90138e-03 384 2020 6 1.17176e-02 2.26062e-03 353 2020 7 1.67027e-02 6.29829e-03 492 2020 8 1.04273e-02 2.20555e-03 679 2020 9 1.29472e-02 2.56131e-03 431 2020 10 1.13936e-02 2.14061e-03 200 2020 11 1.39013e-02 2.23628e-03 390 2020 12 1.74514e-02 4.93789e-03 559 2021 1 2.35155e-02 7.30024e-03 650 2021 2 2.26528e-02 9.43088e-03 722 2021 3 2.21673e-02 1.67574e-02 864 2021 4 1.40803e-02 6.76259e-03 627 2021 5 9.52686e-03 1.45981e-03 724 2021 6 2.65860e-02 1.82667e-02 227 2021 7 1.58615e-02 7.16050e-03 454 2021 8 1.49980e-02 3.92730e-03 294 2021 9 1.93053e-02 7.21417e-03 538 2021 10 2.43495e-02 9.08839e-03 441 2021 11 2.07281e-02 1.25110e-02 621 2021 12 1.07488e-02 2.53682e-03 806 2022 1 1.85074e-02 7.61114e-03 627 2022 2 1.45719e-02 2.45687e-03 695 2022 3 1.29848e-02 2.13944e-03 504 2022 4 1.07628e-02 3.44178e-04 67 2022 5 1.42264e-02 4.64066e-03 671 2022 6 1.58293e-02 6.27256e-03 394 2022 7 2.17675e-02 9.11505e-03 203 2022 8 1.87696e-02 2.81185e-03 387 2022 9 3.45043e-02 9.36047e-03 630 2022 10 2.34626e-02 8.74227e-03 928 2022 11 1.23874e-02 3.37067e-03 768 2022 12 1.43505e-02 3.41485e-03 566 2023 1 1.71876e-02 6.29815e-03 873 2023 2 1.72245e-02 5.24518e-03 727 2023 3 1.20258e-02 3.19687e-03 855 2023 4 9.03454e-03 1.00242e-03 319 2023 5 1.14448e-02 2.64220e-03 592 2023 6 2.59324e-02 1.21861e-02 257 2023 7 2.29190e-02 1.16447e-02 275 2023 8 1.96137e-02 2.16463e-02 543 2023 9 2.71199e-02 8.42482e-03 384 2023 10 3.35099e-02 9.60662e-03 569 2023 11 1.81238e-02 6.65787e-03 740 2023 12 1.57764e-02 2.39979e-03 258 2024 1 1.47508e-02 6.01092e-03 347 2024 2 2.08620e-02 8.67671e-03 644 2024 3 1.52051e-02 6.94059e-03 453 2024 4 nan nan 0