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 1.66729e-02 1.21386e-02 272 2002 8 1.28199e-02 7.40358e-03 512 2002 9 3.89036e-02 5.33927e-02 324 2002 10 2.28720e-02 1.67855e-02 750 2002 11 4.92229e-02 5.21618e-02 743 2002 12 5.01666e-02 4.75937e-02 629 2003 1 4.98324e-02 3.49250e-02 917 2003 2 4.72893e-02 4.15398e-02 510 2003 3 4.26016e-01 7.77482e-02 7 2003 4 nan nan 0 2003 5 9.93255e-02 8.18896e-02 131 2003 6 5.52011e-02 5.94995e-02 256 2003 7 2.60358e-02 1.26110e-02 140 2003 8 3.66556e-02 3.05368e-02 203 2003 9 2.70050e-02 1.91554e-02 262 2003 10 6.20564e-02 4.73505e-02 839 2003 11 6.67219e-02 6.73764e-02 1004 2003 12 4.33602e-02 3.36762e-02 787 2004 1 4.70063e-02 4.88218e-02 807 2004 2 5.57169e-02 4.40867e-02 384 2004 3 1.15388e-01 9.79722e-02 663 2004 4 2.06530e-02 1.15603e-02 380 2004 5 1.22140e-02 2.81101e-02 636 2004 6 1.58332e-02 6.06128e-03 556 2004 7 1.58210e-02 6.84005e-03 340 2004 8 2.22021e-02 1.19554e-02 346 2004 9 1.01633e-01 6.53139e-02 186 2004 10 3.24275e-01 7.34086e-02 51 2004 11 3.85622e-01 8.30892e-02 19 2004 12 2.22316e-01 9.44217e-02 375 2005 1 1.35833e-01 1.02985e-01 626 2005 2 1.24526e-01 9.32335e-02 502 2005 3 1.34574e-01 8.26312e-02 399 2005 4 2.33394e-01 1.28536e-01 280 2005 5 4.92003e-02 2.20097e-02 15 2005 6 5.41575e-02 2.21156e-02 258 2005 7 5.06593e-02 6.66294e-02 192 2005 8 1.21234e-01 3.57269e-02 64 2005 9 3.49014e-02 2.58415e-02 384 2005 10 3.08562e-02 2.15768e-02 896 2005 11 4.53722e-02 3.13096e-02 998 2005 12 6.52397e-02 4.51480e-02 1091 2006 1 1.36951e-01 1.06746e-01 471 2006 2 2.04296e-01 9.56024e-02 523 2006 3 9.77259e-02 9.32949e-02 984 2006 4 1.30097e-02 9.60268e-03 254 2006 5 1.82575e-02 1.54739e-02 384 2006 6 1.93644e-02 6.78788e-03 396 2006 7 1.94372e-02 1.41424e-02 256 2006 8 1.48520e-02 7.08879e-03 373 2006 9 2.04106e-02 1.14041e-02 816 2006 10 2.98348e-02 3.18755e-02 920 2006 11 3.58211e-02 3.21253e-02 840 2006 12 3.09113e-02 5.28430e-02 577 2007 1 1.41677e-02 8.82388e-03 375 2007 2 2.65980e-02 3.32505e-02 704 2007 3 1.36064e-02 1.05759e-02 981 2007 4 1.57617e-02 1.63564e-02 579 2007 5 1.03096e-02 3.49830e-03 181 2007 6 7.92712e-03 3.68333e-03 367 2007 7 1.14504e-02 9.46418e-03 485 2007 8 1.91458e-02 1.15882e-02 540 2007 9 1.89218e-02 8.75631e-03 460 2007 10 3.67985e-02 3.27488e-02 606 2007 11 2.63332e-02 2.08114e-02 1088 2007 12 4.46747e-02 6.55065e-02 858 2008 1 5.21990e-02 8.08039e-02 640 2008 2 2.92804e-02 1.84920e-02 679 2008 3 1.70545e-01 1.34276e-01 546 2008 4 5.53789e-02 5.58154e-02 498 2008 5 9.59773e-02 7.71851e-02 470 2008 6 1.90116e-02 1.84178e-02 422 2008 7 9.53196e-03 1.21594e-02 436 2008 8 1.75286e-02 7.13812e-03 240 2008 9 2.79864e-02 5.12546e-02 360 2008 10 4.87076e-02 4.31290e-02 832 2008 11 3.15288e-02 3.93884e-02 1024 2008 12 8.53816e-02 7.47235e-02 950 2009 1 6.97841e-02 7.60604e-02 611 2009 2 3.65019e-02 3.86879e-02 981 2009 3 2.14031e-02 2.57532e-02 960 2009 4 8.74880e-02 9.09033e-02 374 2009 5 7.82569e-02 6.62370e-02 157 2009 6 1.06742e-02 7.13486e-03 213 2009 7 6.95165e-02 1.09820e-01 99 2009 8 2.76553e-02 3.94129e-02 555 2009 9 2.81115e-02 3.91804e-02 689 2009 10 3.62870e-02 4.03956e-02 922 2009 11 2.27032e-02 2.42835e-02 774 2009 12 4.75614e-02 3.43120e-02 192 2010 1 6.63886e-02 4.67877e-02 883 2010 2 1.10618e-01 1.04794e-01 605 2010 3 1.59332e-01 9.86038e-02 790 2010 4 1.17035e-01 9.59503e-02 251 2010 5 1.81787e-02 1.47131e-02 493 2010 6 1.67119e-02 1.28180e-02 576 2010 7 1.41146e-02 1.15578e-02 291 2010 8 3.91690e-02 3.27018e-02 208 2010 9 4.00994e-02 3.45669e-02 567 2010 10 2.16537e-02 1.47073e-02 1536 2010 11 2.82362e-02 4.25143e-02 1280 2010 12 3.73100e-02 3.88321e-02 1062 2011 1 3.11838e-02 2.34828e-02 654 2011 2 9.27359e-03 4.45502e-03 768 2011 3 1.60770e-02 2.37073e-02 814 2011 4 9.90414e-03 1.33590e-02 958 2011 5 6.16869e-03 2.50761e-03 817 2011 6 4.04646e-03 2.99701e-03 250 2011 7 7.86790e-03 3.53693e-03 512 2011 8 1.02692e-02 7.35242e-03 330 2011 9 1.24928e-02 4.22875e-03 640 2011 10 2.76647e-02 3.71442e-02 954 2011 11 1.72766e-02 1.23565e-02 1030 2011 12 1.70378e-02 1.60682e-02 880 2012 1 2.56507e-02 2.59739e-02 960 2012 2 1.56808e-02 1.04381e-02 252 2012 3 1.50775e-02 1.93679e-02 832 2012 4 1.79858e-02 3.17482e-02 819 2012 5 1.84556e-02 2.20012e-02 384 2012 6 1.45076e-02 3.03405e-03 128 2012 7 2.88752e-02 9.09273e-02 56 2012 8 1.06763e-01 1.04481e-01 332 2012 9 1.04010e-01 1.30852e-01 161 2012 10 6.14161e-02 5.15502e-02 445 2012 11 1.78482e-02 1.15721e-02 780 2012 12 5.28374e-02 5.20919e-02 682 2013 1 3.91789e-02 5.14422e-02 704 2013 2 2.77783e-02 1.21320e-02 448 2013 3 5.76236e-02 9.30680e-02 654 2013 4 1.37856e-01 9.37794e-02 309 2013 5 2.41335e-02 1.67816e-02 211 2013 6 3.28423e-02 2.40642e-02 276 2013 7 1.34753e-02 1.40484e-02 64 2013 8 9.33729e-02 7.08680e-02 126 2013 9 8.37793e-02 5.27579e-02 125 2013 10 5.16849e-02 2.72807e-02 768 2013 11 4.77678e-02 3.32324e-02 375 2013 12 3.96818e-02 4.67309e-02 740 2014 1 7.88426e-02 5.74165e-02 512 2014 2 5.04862e-02 3.74862e-02 762 2014 3 8.96644e-02 1.06513e-01 451 2014 4 1.37838e-01 1.46272e-01 119 2014 5 1.07982e-01 8.51888e-02 61 2014 6 3.03872e-02 3.10928e-02 131 2014 7 3.02129e-02 1.78385e-02 406 2014 8 1.70558e-02 1.99066e-02 384 2014 9 4.71874e-02 6.86495e-02 256 2014 10 9.18002e-02 9.68575e-02 903 2014 11 5.08159e-02 7.21240e-02 894 2014 12 3.96457e-02 6.68566e-02 622 2015 1 7.23711e-02 5.77466e-02 687 2015 2 1.10079e-01 9.44997e-02 636 2015 3 1.07979e-01 1.01848e-01 278 2015 4 4.67273e-02 2.09004e-02 128 2015 5 2.25528e-02 8.68910e-03 532 2015 6 1.56015e-02 1.32294e-02 339 2015 7 2.82294e-02 1.46095e-02 163 2015 8 9.14481e-02 7.94493e-02 316 2015 9 3.96096e-02 4.00890e-02 210 2015 10 3.49073e-02 3.06470e-02 768 2015 11 3.11302e-02 3.17650e-02 898 2015 12 2.68266e-02 1.61846e-02 592 2016 1 7.04044e-02 7.88368e-02 566 2016 2 1.29053e-01 1.00830e-01 956 2016 3 7.16415e-02 5.30376e-02 640 2016 4 5.68088e-02 3.40241e-02 326 2016 5 2.32822e-02 1.51629e-02 763 2016 6 1.36955e-02 5.56043e-03 574 2016 7 1.91425e-02 2.76338e-02 760 2016 8 1.37843e-02 3.21869e-02 534 2016 9 6.36374e-02 6.05791e-02 625 2016 10 3.51482e-02 4.15490e-02 872 2016 11 1.73946e-02 9.66852e-03 896 2016 12 1.72314e-02 1.19869e-02 840 2017 1 3.12803e-02 1.95965e-02 620 2017 2 1.31095e-01 9.37625e-02 900 2017 3 2.54930e-02 2.35640e-02 956 2017 4 1.15035e-02 6.60656e-03 764 2017 5 1.79897e-02 1.19833e-02 448 2017 6 1.27355e-02 1.55375e-02 213 2017 7 2.23390e-02 1.75170e-02 128 2017 8 4.34897e-02 4.17194e-02 586 2017 9 4.31799e-02 4.83588e-02 384 2017 10 1.81943e-01 1.04219e-01 249 2017 11 4.74451e-02 5.21873e-02 1167 2017 12 2.51318e-02 2.22734e-02 576 2018 1 2.93485e-02 1.34503e-02 690 2018 2 2.18198e-02 1.44859e-02 609 2018 3 2.81287e-02 3.18156e-02 905 2018 4 1.19954e-02 9.90980e-03 540 2018 5 1.24090e-02 4.58757e-03 338 2018 6 1.75696e-02 1.23707e-02 256 2018 7 9.67547e-04 2.17012e-03 32 2018 8 3.11996e-02 4.64975e-02 306 2018 9 2.67413e-02 3.09080e-02 802 2018 10 4.50315e-02 3.64052e-02 1100 2018 11 1.07102e-01 1.11078e-01 356 2018 12 7.16759e-02 8.00649e-02 428 2019 1 1.55159e-01 1.12581e-01 260 2019 2 1.61655e-01 1.04037e-01 186 2019 3 6.94464e-02 5.80423e-02 710 2019 4 5.52911e-02 5.19407e-02 362 2019 5 8.37973e-03 6.59446e-03 792 2019 6 1.56115e-02 1.23558e-02 144 2019 7 1.88089e-02 2.78391e-02 256 2019 8 2.32310e-02 2.15875e-02 496 2019 9 2.22513e-02 2.20409e-02 720 2019 10 2.99004e-02 2.84585e-02 576 2019 11 2.52264e-02 1.61709e-02 768 2019 12 7.37337e-02 7.10508e-02 401 2020 1 3.65464e-02 2.48311e-02 753 2020 2 4.03723e-02 2.63456e-02 635 2020 3 6.31421e-02 5.55291e-02 483 2020 4 8.15779e-02 6.26763e-02 418 2020 5 3.17900e-02 2.89898e-02 429 2020 6 1.68589e-02 2.00224e-02 312 2020 7 4.37348e-02 8.95042e-02 313 2020 8 3.80024e-02 5.29949e-02 192 2020 9 3.67680e-02 3.05476e-02 283 2020 10 6.31165e-02 4.55161e-02 433 2020 11 6.36611e-02 5.62445e-02 783 2020 12 5.57274e-02 3.45215e-02 806 2021 1 1.02156e-01 8.00872e-02 378 2021 2 1.59218e-01 9.20164e-02 505 2021 3 1.70751e-01 1.18714e-01 39 2021 4 5.75696e-02 4.82927e-02 198 2021 5 3.27187e-02 2.95196e-02 513 2021 6 1.93885e-02 1.21472e-02 192 2021 7 4.36882e-02 5.16572e-02 255 2021 8 1.86948e-01 1.20439e-01 55 2021 9 3.60618e-02 2.82116e-02 128 2021 10 1.08428e-01 1.00913e-01 269 2021 11 8.15964e-02 5.35401e-02 858 2021 12 6.48045e-02 3.72001e-02 811 2022 1 1.22553e-01 1.00994e-01 823 2022 2 5.34176e-02 3.61018e-02 1019 2022 3 5.33593e-02 5.39462e-02 841 2022 4 nan nan 0 2022 5 4.54669e-02 4.14708e-02 352 2022 6 1.43022e-02 7.53874e-03 445 2022 7 1.15214e-02 1.32639e-02 443 2022 8 1.61803e-02 1.42562e-02 383 2022 9 3.51903e-02 1.03987e-02 72 2022 10 1.08107e-02 1.31239e-02 1098 2022 11 2.75696e-02 3.09646e-02 362 2022 12 2.48716e-02 3.72116e-02 733 2023 1 1.62697e-02 1.20266e-02 955 2023 2 2.33714e-02 1.39491e-02 511 2023 3 5.78218e-02 4.57116e-02 704 2023 4 2.35343e-02 1.71682e-02 384 2023 5 1.99531e-02 1.80712e-02 331 2023 6 1.37643e-02 1.41572e-02 320 2023 7 2.03614e-02 3.19516e-02 514 2023 8 1.28241e-02 1.17102e-02 328 2023 9 2.88415e-02 3.26308e-02 379 2023 10 3.93328e-02 2.02783e-02 505 2023 11 2.73540e-02 3.42271e-02 704 2023 12 5.71389e-02 5.36317e-02 131 2024 1 2.30698e-01 1.12597e-01 245 2024 2 9.29064e-02 6.08408e-02 608 2024 3 6.12386e-02 5.04136e-02 484 2024 4 nan nan 0