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 1.29532e-01 2.40265e-02 319 2002 8 1.16719e-01 2.09880e-02 298 2002 9 1.31036e-01 3.95682e-02 454 2002 10 1.52518e-01 6.32304e-02 824 2002 11 1.50062e-01 3.21076e-02 450 2002 12 1.90422e-01 8.02877e-02 355 2003 1 2.66963e-01 5.54803e-02 704 2003 2 2.66109e-01 6.39244e-02 637 2003 3 3.42451e-01 1.70484e-01 563 2003 4 1.88068e-01 7.28342e-02 408 2003 5 1.39516e-01 1.18805e-01 448 2003 6 1.08711e-01 5.14998e-03 128 2003 7 1.60092e-01 5.45631e-02 185 2003 8 1.79119e-01 2.59042e-02 268 2003 9 2.38048e-01 1.12196e-01 472 2003 10 2.56905e-01 1.32501e-01 868 2003 11 2.28257e-01 7.28055e-02 493 2003 12 2.47465e-01 8.12896e-02 345 2004 1 2.80450e-01 1.49901e-01 478 2004 2 2.14046e-01 5.22862e-02 544 2004 3 1.51672e-01 4.09724e-02 423 2004 4 1.51315e-01 5.05292e-02 587 2004 5 1.19293e-01 5.68026e-02 293 2004 6 1.80706e-01 1.04892e-01 705 2004 7 1.50184e-01 5.49101e-02 514 2004 8 2.38103e-01 1.91075e-01 333 2004 9 1.44890e-01 4.92286e-02 358 2004 10 1.36122e-01 3.22929e-02 647 2004 11 1.93171e-01 3.75496e-02 278 2004 12 2.45567e-01 6.32104e-02 408 2005 1 2.36260e-01 8.29749e-02 644 2005 2 2.02954e-01 4.69813e-02 363 2005 3 2.02560e-01 3.69990e-02 568 2005 4 1.45533e-01 3.61957e-02 422 2005 5 1.41702e-01 4.52772e-02 457 2005 6 1.15147e-01 3.35257e-02 117 2005 7 1.32350e-01 6.98025e-02 460 2005 8 1.91270e-01 1.12784e-01 280 2005 9 2.16202e-01 1.27598e-01 496 2005 10 1.68780e-01 1.27619e-01 321 2005 11 2.34710e-01 6.40120e-02 549 2005 12 4.36499e-01 2.13980e-01 752 2006 1 4.37858e-01 2.42179e-01 544 2006 2 2.68093e-01 1.03990e-01 712 2006 3 1.73790e-01 7.39516e-02 674 2006 4 1.12580e-01 2.10079e-02 643 2006 5 1.28897e-01 4.57635e-02 428 2006 6 1.79083e-01 8.29250e-02 259 2006 7 1.51520e-01 5.64985e-02 357 2006 8 2.04160e-01 8.19379e-02 265 2006 9 2.31600e-01 8.85374e-02 514 2006 10 1.39750e-01 4.12005e-02 495 2006 11 1.80359e-01 3.57405e-02 485 2006 12 2.05351e-01 7.86624e-02 215 2007 1 1.74139e-01 5.26704e-02 412 2007 2 2.52734e-01 7.29088e-02 471 2007 3 1.44180e-01 3.89873e-02 333 2007 4 1.68615e-01 9.84046e-02 524 2007 5 1.27631e-01 5.04564e-02 303 2007 6 1.36779e-01 4.48752e-02 478 2007 7 2.04964e-01 1.01117e-01 474 2007 8 1.38349e-01 3.63303e-02 373 2007 9 1.51480e-01 1.26922e-01 212 2007 10 2.10377e-01 7.49261e-02 147 2007 11 2.03004e-01 7.87613e-02 807 2007 12 2.04463e-01 1.10298e-01 519 2008 1 2.37582e-01 8.38921e-02 394 2008 2 1.72074e-01 2.64907e-02 614 2008 3 1.93176e-01 7.18630e-02 158 2008 4 1.15436e-01 3.73662e-02 278 2008 5 1.12147e-01 2.54157e-02 291 2008 6 1.02422e-01 2.91543e-02 317 2008 7 1.67430e-01 5.48191e-02 384 2008 8 1.69375e-01 7.29406e-02 532 2008 9 1.50256e-01 7.05774e-02 334 2008 10 1.66431e-01 9.71223e-02 490 2008 11 1.67001e-01 2.58347e-02 582 2008 12 1.89638e-01 5.54733e-02 290 2009 1 2.36531e-01 7.89593e-02 688 2009 2 2.22887e-01 1.02718e-01 642 2009 3 1.77016e-01 3.56256e-02 414 2009 4 1.73360e-01 1.08770e-01 299 2009 5 1.24487e-01 3.37717e-02 331 2009 6 1.41297e-01 3.86760e-02 320 2009 7 1.64436e-01 2.11835e-02 78 2009 8 1.07303e-01 1.48650e-02 299 2009 9 1.26296e-01 3.19255e-02 329 2009 10 1.83343e-01 6.62794e-02 673 2009 11 1.95015e-01 4.92142e-02 576 2009 12 2.14456e-01 9.33963e-02 359 2010 1 2.72974e-01 9.94158e-02 426 2010 2 3.17598e-01 1.05412e-01 391 2010 3 3.43280e-01 1.70094e-01 609 2010 4 1.86101e-01 8.74436e-02 561 2010 5 1.55046e-01 6.28572e-02 336 2010 6 1.57767e-01 1.80822e-01 621 2010 7 1.71874e-01 6.73752e-02 450 2010 8 2.38920e-01 9.89956e-02 345 2010 9 2.54256e-01 2.98421e-01 114 2010 10 1.74193e-01 9.70148e-02 640 2010 11 1.90751e-01 7.88391e-02 717 2010 12 2.74835e-01 5.94190e-02 709 2011 1 3.01463e-01 1.53060e-01 472 2011 2 2.31375e-01 8.74392e-02 524 2011 3 1.84191e-01 7.37590e-02 1001 2011 4 2.29008e-01 8.74625e-02 515 2011 5 1.60144e-01 5.60372e-02 619 2011 6 2.02078e-01 1.14862e-01 370 2011 7 1.71399e-01 9.24293e-02 440 2011 8 1.47513e-01 9.31263e-03 128 2011 9 2.08535e-01 1.14884e-01 510 2011 10 3.78739e-01 1.37093e-01 247 2011 11 2.57696e-01 1.21046e-01 476 2011 12 2.11412e-01 5.37107e-02 642 2012 1 3.86834e-01 2.82182e+00 538 2012 2 1.47342e-01 4.54639e-02 668 2012 3 9.78392e-02 1.33054e-02 250 2012 4 1.18895e-01 5.28273e-02 406 2012 5 1.41005e-01 4.25560e-02 308 2012 6 1.91099e-01 5.35523e-02 260 2012 7 2.06744e-01 1.07738e-01 374 2012 8 1.76455e-01 8.54547e-02 288 2012 9 2.29209e-01 1.02675e-01 504 2012 10 1.95456e-01 1.08561e-01 727 2012 11 2.04409e-01 4.43977e-02 768 2012 12 1.82989e-01 7.32559e-02 218 2013 1 1.51775e-01 2.51980e-02 448 2013 2 1.46668e-01 1.72990e-02 583 2013 3 1.86011e-01 3.78048e-02 468 2013 4 1.96562e-01 6.37450e-02 135 2013 5 1.50794e-01 5.82306e-02 453 2013 6 1.40490e-01 1.43345e-02 86 2013 7 1.51196e-01 7.79262e-02 296 2013 8 1.55229e-01 3.69512e-02 219 2013 9 3.01279e-01 1.83476e-01 293 2013 10 2.00658e-01 1.06763e-01 708 2013 11 1.60247e-01 4.85280e-02 264 2013 12 1.94150e-01 8.73982e-02 243 2014 1 2.04253e-01 5.16487e-02 525 2014 2 1.64611e-01 3.10236e-02 616 2014 3 1.93332e-01 1.00558e-01 639 2014 4 1.24549e-01 2.82838e-02 588 2014 5 1.06310e-01 1.71542e-02 320 2014 6 1.33507e-01 5.60874e-02 626 2014 7 1.36114e-01 4.50473e-02 235 2014 8 2.34053e-01 1.47913e-01 571 2014 9 1.94689e-01 8.24486e-02 171 2014 10 2.43941e-01 9.43221e-02 603 2014 11 2.72326e-01 8.17330e-02 661 2014 12 2.26082e-01 3.83895e-02 473 2015 1 2.04970e-01 4.79323e-02 522 2015 2 2.28112e-01 8.59363e-02 582 2015 3 1.40953e-01 6.75852e-02 963 2015 4 1.34905e-01 7.73759e-02 239 2015 5 1.34142e-01 6.96365e-02 486 2015 6 1.09049e-01 1.56103e-02 320 2015 7 1.62724e-01 7.01380e-02 449 2015 8 3.37419e-01 1.32810e-01 437 2015 9 2.85405e-01 9.86306e-02 273 2015 10 2.63897e-01 9.63861e-02 471 2015 11 2.10772e-01 1.04127e-01 545 2015 12 2.89089e-01 1.00657e-01 156 2016 1 2.37690e-01 8.25964e-02 128 2016 2 2.95170e-01 9.78393e-02 564 2016 3 2.52650e-01 9.46465e-02 258 2016 4 1.58609e-01 6.43830e-02 548 2016 5 2.19330e-01 9.19692e-02 256 2016 6 1.90651e-01 7.52774e-02 353 2016 7 1.38962e-01 5.01092e-02 530 2016 8 1.81687e-01 5.73186e-02 347 2016 9 1.90437e-01 5.60763e-02 450 2016 10 2.48273e-01 6.67860e-02 244 2016 11 2.25763e-01 1.96569e-02 272 2016 12 2.11107e-01 3.86416e-02 482 2017 1 2.72715e-01 1.14780e-01 567 2017 2 2.26023e-01 8.50106e-02 537 2017 3 1.24356e-01 2.96444e-02 426 2017 4 1.44404e-01 9.28694e-02 303 2017 5 1.42045e-01 4.47821e-02 606 2017 6 1.36166e-01 5.37007e-02 252 2017 7 1.25678e-01 2.05175e-02 693 2017 8 1.66080e-01 1.12605e-01 467 2017 9 3.31148e-01 1.99304e-01 418 2017 10 2.44039e-01 1.71824e-01 363 2017 11 2.06689e-01 1.06759e-01 665 2017 12 1.97338e-01 9.00757e-02 962 2018 1 2.85116e-01 9.03839e-02 421 2018 2 1.58286e-01 5.34883e-02 628 2018 3 1.80227e-01 9.14770e-02 930 2018 4 1.09081e-01 2.05164e-02 384 2018 5 1.04439e-01 1.90600e-02 182 2018 6 1.36982e-01 5.21414e-02 348 2018 7 1.84209e-01 1.01908e-01 434 2018 8 1.63164e-01 6.45131e-02 384 2018 9 3.03098e-01 1.32883e+00 463 2018 10 2.40435e-01 1.31107e-01 749 2018 11 3.76081e-01 2.55525e-01 491 2018 12 2.31292e-01 9.43821e-02 609 2019 1 2.08743e-01 4.36061e-02 538 2019 2 1.88589e-01 6.57692e-02 863 2019 3 1.34995e-01 2.57566e-02 372 2019 4 1.12574e-01 1.72460e-02 386 2019 5 1.95470e-01 6.36209e-02 316 2019 6 1.78397e-01 1.44815e-01 598 2019 7 1.50187e-01 6.33751e-02 477 2019 8 1.66242e-01 1.07953e-01 394 2019 9 2.96322e-01 1.62554e-01 368 2019 10 1.48382e-01 5.11005e-02 611 2019 11 1.79288e-01 5.16407e-02 761 2019 12 2.17649e-01 4.39357e-02 319 2020 1 1.94636e-01 3.77645e-02 877 2020 2 1.99178e-01 9.28614e-02 449 2020 3 1.28164e-01 2.73532e-02 603 2020 4 2.20044e-01 1.13159e-01 448 2020 5 1.62775e-01 1.04430e-01 448 2020 6 1.39680e-01 3.81830e-02 256 2020 7 1.38569e-01 3.30378e-02 285 2020 8 1.11732e-01 3.61874e-02 768 2020 9 1.84217e-01 5.59467e-02 397 2020 10 1.94391e-01 1.31804e-01 463 2020 11 1.37393e-01 5.46920e-02 116 2020 12 2.41241e-01 1.49528e-01 549 2021 1 2.23033e-01 7.89168e-02 741 2021 2 2.12645e-01 5.72519e-02 538 2021 3 1.30750e-01 9.38404e-02 666 2021 4 1.24100e-01 2.68867e-02 386 2021 5 1.29713e-01 4.66820e-02 323 2021 6 1.56459e-01 1.01228e-01 169 2021 7 1.38332e-01 6.83119e-02 417 2021 8 1.50318e-01 4.20718e-02 500 2021 9 2.26710e-01 5.46814e-02 404 2021 10 2.67224e-01 1.08403e-01 399 2021 11 3.15162e-01 1.31666e-01 538 2021 12 2.00841e-01 6.68506e-02 762 2022 1 3.51461e-01 3.22734e+00 604 2022 2 1.97706e-01 6.19091e-02 539 2022 3 1.34175e-01 2.92608e-02 134 2022 4 1.28529e-01 3.69809e-02 139 2022 5 1.19971e-01 4.04037e-02 638 2022 6 1.45591e-01 5.13119e-02 364 2022 7 1.26813e-01 2.98810e-02 578 2022 8 1.95154e-01 1.33948e-01 480 2022 9 5.45629e-01 4.25339e-01 436 2022 10 1.93895e-01 5.63060e-02 402 2022 11 1.54253e-01 6.55686e-02 636 2022 12 1.76639e-01 5.97026e-02 406 2023 1 2.36741e-01 8.38974e-02 855 2023 2 1.88629e-01 9.40707e-02 989 2023 3 1.92037e-01 8.93044e-02 574 2023 4 8.63553e-02 3.76764e-02 387 2023 5 1.22144e-01 8.42944e-02 355 2023 6 1.39364e-01 6.96913e-02 395 2023 7 2.69106e-01 2.10636e-01 384 2023 8 1.46532e-01 9.28845e-02 375 2023 9 3.15122e-01 2.03893e-01 346 2023 10 3.45626e-01 1.06156e-01 439 2023 11 2.24727e-01 1.04189e-01 316 2023 12 2.40423e-01 7.41315e-02 256 2024 1 1.89911e-01 1.33644e-01 336 2024 2 2.27918e-01 9.21099e-02 403 2024 3 1.89514e-01 5.94216e-02 429 2024 4 8.83853e-02 2.99631e-03 128