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 8.89648e-02 5.47498e-02 727 2002 8 1.18625e-01 6.54623e-02 734 2002 9 1.41666e-01 4.57601e-02 774 2002 10 1.77779e-01 2.90197e-02 896 2002 11 1.78370e-01 3.01359e-02 730 2002 12 1.50718e-01 1.51584e-02 492 2003 1 1.34174e-01 3.74465e-02 744 2003 2 1.43944e-01 1.57084e-02 384 2003 3 1.09203e-01 2.05672e-02 441 2003 4 9.72413e-02 2.18341e-02 368 2003 5 9.74294e-02 3.55595e-02 279 2003 6 9.32374e-02 5.03789e-02 417 2003 7 1.15084e-01 4.34899e-02 354 2003 8 1.43156e-01 9.25062e-02 706 2003 9 1.83853e-01 8.76838e-02 822 2003 10 2.07961e-01 4.98600e-02 756 2003 11 2.05223e-01 3.57808e-02 800 2003 12 2.05616e-01 2.23942e-02 412 2004 1 2.81929e-01 7.31831e-02 548 2004 2 2.39109e-01 6.19548e-02 541 2004 3 1.27560e-01 2.70354e-02 790 2004 4 1.26128e-01 4.42967e-02 323 2004 5 7.23089e-02 1.05749e-02 448 2004 6 8.72012e-02 2.80476e-02 514 2004 7 9.68195e-02 3.70098e-02 236 2004 8 1.40065e-01 4.55440e-02 563 2004 9 1.86961e-01 6.05427e-02 588 2004 10 2.11726e-01 5.25758e-02 867 2004 11 2.03172e-01 7.50442e-02 480 2004 12 2.15040e-01 4.65437e-02 510 2005 1 1.77963e-01 1.97354e-02 576 2005 2 1.68539e-01 4.06351e-02 637 2005 3 9.98742e-02 1.72173e-02 639 2005 4 1.12961e-01 2.27191e-02 391 2005 5 7.15240e-02 6.75270e-03 192 2005 6 9.45014e-02 5.37031e-02 726 2005 7 1.03855e-01 4.97268e-02 241 2005 8 1.31664e-01 6.86304e-02 368 2005 9 2.09063e-01 8.64129e-02 864 2005 10 1.80915e-01 3.34238e-02 697 2005 11 1.99246e-01 3.88102e-02 525 2005 12 2.14466e-01 4.36962e-02 873 2006 1 2.04156e-01 6.59766e-02 490 2006 2 1.64020e-01 2.08500e-02 347 2006 3 1.33114e-01 2.49953e-02 617 2006 4 8.18131e-02 2.17007e-02 398 2006 5 7.76357e-02 2.20320e-02 426 2006 6 6.97019e-02 2.72433e-02 875 2006 7 1.21251e-01 3.67449e-02 259 2006 8 1.79680e-01 5.73932e-02 115 2006 9 2.18027e-01 5.50072e-02 975 2006 10 1.99611e-01 8.13740e-02 719 2006 11 2.03308e-01 5.89372e-02 875 2006 12 2.06019e-01 5.51422e-02 595 2007 1 1.64717e-01 2.92386e-02 702 2007 2 1.48066e-01 1.87236e-02 831 2007 3 1.48112e-01 1.32718e-02 461 2007 4 1.57300e-01 2.52455e-02 90 2007 5 1.21468e-01 4.79610e-02 188 2007 6 1.65315e-01 9.96337e-02 274 2007 7 9.40435e-02 6.62340e-02 92 2007 8 1.02595e-01 5.19966e-02 695 2007 9 2.07339e-01 5.39113e-02 910 2007 10 2.32642e-01 1.22426e-01 694 2007 11 2.51430e-01 1.81051e-01 832 2007 12 2.30026e-01 3.27011e-02 617 2008 1 1.98033e-01 3.78604e-02 375 2008 2 1.83564e-01 4.20581e-02 644 2008 3 1.18676e-01 3.04460e-02 810 2008 4 8.29675e-02 2.68512e-02 209 2008 5 1.90513e-01 9.41758e-02 143 2008 6 1.70011e-01 1.53443e-01 114 2008 7 nan nan 0 2008 8 1.62321e-01 6.43163e-02 124 2008 9 2.31444e-01 1.12490e-01 438 2008 10 2.05173e-01 6.47292e-02 734 2008 11 2.14759e-01 3.49167e-02 604 2008 12 1.88886e-01 4.50180e-02 1017 2009 1 1.75784e-01 2.53175e-02 640 2009 2 1.99187e-01 6.24741e-02 320 2009 3 1.55290e-01 2.27267e-02 315 2009 4 1.05656e-01 2.21320e-02 192 2009 5 1.24156e-01 2.87357e-02 299 2009 6 1.32400e-01 4.95472e-02 180 2009 7 nan nan 0 2009 8 9.23349e-02 2.58400e-02 175 2009 9 1.27347e-01 8.48368e-02 561 2009 10 1.84345e-01 2.78881e-02 512 2009 11 2.22064e-01 4.18830e-02 670 2009 12 2.00940e-01 2.50438e-02 939 2010 1 2.05924e-01 3.65015e-02 764 2010 2 1.39750e-01 2.92939e-02 382 2010 3 1.25764e-01 3.75955e-02 550 2010 4 1.09327e-01 3.90312e-02 109 2010 5 7.79688e-02 2.22833e-02 314 2010 6 8.62484e-02 3.33921e-02 124 2010 7 9.03589e-02 4.66054e-02 399 2010 8 8.46224e-02 3.61701e-02 331 2010 9 1.74065e-01 1.86134e-02 419 2010 10 1.76220e-01 6.43762e-02 831 2010 11 1.78327e-01 3.05226e-02 1206 2010 12 2.03923e-01 4.76898e-02 768 2011 1 1.95412e-01 5.24028e-02 637 2011 2 1.71423e-01 2.67568e-02 389 2011 3 1.45487e-01 1.45649e-02 655 2011 4 1.22354e-01 9.54427e-03 250 2011 5 9.05021e-02 1.69940e-02 380 2011 6 6.73121e-02 9.37221e-03 207 2011 7 9.10055e-02 3.18558e-02 253 2011 8 8.44503e-02 2.24564e-02 318 2011 9 1.96910e-01 9.73559e-02 799 2011 10 1.95605e-01 3.58925e-02 909 2011 11 2.19332e-01 5.90401e-02 646 2011 12 1.62482e-01 2.80246e-02 865 2012 1 1.67543e-01 2.77592e-02 877 2012 2 1.78294e-01 4.64918e-02 656 2012 3 1.34374e-01 2.14007e-02 618 2012 4 1.57476e-01 1.18419e-01 251 2012 5 5.38656e-02 6.18224e-03 64 2012 6 1.07494e-01 3.10842e-02 325 2012 7 8.06956e-02 1.88798e-02 360 2012 8 7.60617e-02 3.33101e-02 311 2012 9 1.59008e-01 5.27676e-02 576 2012 10 1.62221e-01 2.43021e-02 483 2012 11 1.59235e-01 5.21959e-02 717 2012 12 1.54150e-01 2.67438e-02 456 2013 1 1.79237e-01 5.22839e-02 764 2013 2 1.56699e-01 2.76401e-02 774 2013 3 1.27886e-01 3.55992e-02 516 2013 4 8.79902e-02 2.54231e-02 204 2013 5 6.69862e-02 6.48602e-03 260 2013 6 8.50320e-02 2.75397e-02 369 2013 7 5.56793e-02 1.43862e-02 396 2013 8 8.60509e-02 1.86395e-02 534 2013 9 1.42373e-01 4.90816e-02 874 2013 10 1.71916e-01 4.31804e-02 887 2013 11 1.61764e-01 2.20183e-02 646 2013 12 1.79633e-01 4.79055e-02 966 2014 1 1.59214e-01 2.66150e-02 663 2014 2 1.52232e-01 1.55280e-02 584 2014 3 1.02144e-01 2.49867e-02 674 2014 4 8.98504e-02 3.09463e-02 536 2014 5 9.75884e-02 5.14620e-02 292 2014 6 1.14987e-01 8.00966e-02 671 2014 7 1.42062e-01 1.43887e-01 567 2014 8 7.99643e-02 2.57709e-02 375 2014 9 1.64172e-01 5.68788e-02 999 2014 10 2.15272e-01 3.45894e-02 968 2014 11 2.18705e-01 4.79409e-02 876 2014 12 2.06491e-01 4.15691e-02 1015 2015 1 1.67711e-01 3.05305e-02 820 2015 2 1.50868e-01 2.48742e-02 434 2015 3 1.24457e-01 1.85560e-02 513 2015 4 1.38272e-01 3.28648e-02 411 2015 5 1.23804e-01 4.19677e-02 222 2015 6 8.69216e-02 2.52767e-02 487 2015 7 9.06000e-02 1.40859e-02 131 2015 8 6.97475e-02 1.60928e-02 636 2015 9 2.11463e-01 3.51601e-02 693 2015 10 2.42624e-01 7.30419e-02 669 2015 11 2.51144e-01 4.73131e-02 852 2015 12 2.01876e-01 3.56402e-02 896 2016 1 1.96284e-01 2.34266e-02 829 2016 2 1.63724e-01 2.60194e-02 1066 2016 3 1.15619e-01 2.05703e-02 583 2016 4 9.43070e-02 2.35554e-02 652 2016 5 1.43916e-01 1.21830e-01 545 2016 6 1.07979e-01 4.35080e-02 393 2016 7 6.44618e-02 1.71396e-02 489 2016 8 8.58021e-02 3.27248e-02 766 2016 9 2.24668e-01 9.61698e-02 783 2016 10 1.86962e-01 5.21968e-02 1094 2016 11 1.83206e-01 3.84446e-02 690 2016 12 1.78927e-01 4.10012e-02 700 2017 1 1.99960e-01 3.98441e-02 574 2017 2 1.51623e-01 2.66127e-02 444 2017 3 1.16404e-01 2.53354e-02 752 2017 4 1.28034e-01 4.97493e-02 184 2017 5 6.33558e-02 1.63610e-02 222 2017 6 7.25010e-02 1.62189e-02 776 2017 7 7.87478e-02 4.27404e-02 460 2017 8 1.36618e-01 5.01281e-02 559 2017 9 2.00547e-01 3.06517e-02 513 2017 10 1.98993e-01 5.15746e-02 885 2017 11 2.37205e-01 6.08942e-02 799 2017 12 2.13722e-01 7.48756e-02 835 2018 1 1.88445e-01 3.57450e-02 788 2018 2 1.74182e-01 2.90047e-02 360 2018 3 1.34265e-01 3.17755e-02 931 2018 4 1.22205e-01 2.29988e-02 278 2018 5 6.76780e-02 1.48314e-02 359 2018 6 9.49949e-02 3.01371e-02 509 2018 7 8.00619e-02 2.68984e-02 394 2018 8 1.10328e-01 2.85514e-02 601 2018 9 1.57618e-01 2.91700e-02 602 2018 10 2.30076e-01 7.99649e-02 296 2018 11 2.09733e-01 4.65655e-02 478 2018 12 1.65165e-01 1.46741e-02 696 2019 1 1.65713e-01 2.17441e-02 384 2019 2 1.37014e-01 1.18494e-02 694 2019 3 1.01967e-01 1.29587e-02 898 2019 4 1.19308e-01 4.74083e-02 656 2019 5 1.02369e-01 3.24216e-02 621 2019 6 7.63339e-02 3.31488e-02 975 2019 7 7.69522e-02 1.01562e-02 623 2019 8 1.18544e-01 1.30134e-01 836 2019 9 1.49857e-01 3.92136e-02 1093 2019 10 2.06983e-01 6.34412e-02 640 2019 11 2.16751e-01 2.97930e-02 597 2019 12 1.68057e-01 1.73278e-02 595 2020 1 1.64529e-01 2.62154e-02 763 2020 2 1.70830e-01 3.58305e-02 775 2020 3 1.34216e-01 2.77415e-02 563 2020 4 1.08018e-01 3.26981e-02 350 2020 5 1.11432e-01 2.94829e-02 476 2020 6 7.93975e-02 1.88896e-02 809 2020 7 7.32251e-02 1.74830e-02 566 2020 8 1.87860e-01 4.77388e-02 182 2020 9 1.66022e-01 3.24354e-02 757 2020 10 2.02263e-01 4.49553e-02 1388 2020 11 1.96037e-01 4.68653e-02 613 2020 12 2.52791e-01 4.83458e-02 813 2021 1 2.07099e-01 3.30844e-02 1082 2021 2 1.82591e-01 2.58131e-02 836 2021 3 1.78462e-01 3.75165e-02 480 2021 4 1.15822e-01 2.90695e-02 368 2021 5 7.06603e-02 4.04093e-02 640 2021 6 8.96678e-02 2.91114e-02 702 2021 7 7.75331e-02 3.05309e-02 652 2021 8 1.35177e-01 4.14560e-02 680 2021 9 1.79856e-01 4.39190e-02 971 2021 10 1.82796e-01 4.55328e-02 1239 2021 11 2.41930e-01 7.61258e-02 735 2021 12 1.87898e-01 4.72646e-02 471 2022 1 1.84853e-01 5.07660e-02 711 2022 2 1.38569e-01 2.77109e-02 815 2022 3 1.52793e-01 3.31933e-02 388 2022 4 7.40893e-02 5.43950e-03 103 2022 5 6.56090e-02 1.10537e-02 244 2022 6 5.44650e-02 6.69040e-03 409 2022 7 6.91848e-02 2.04763e-02 302 2022 8 1.26127e-01 2.98823e-02 548 2022 9 1.58672e-01 3.32264e-02 1007 2022 10 1.63956e-01 3.49009e-02 745 2022 11 1.41988e-01 2.99940e-02 449 2022 12 1.85489e-01 4.23009e-02 729 2023 1 1.59043e-01 2.08277e-02 384 2023 2 1.91341e-01 5.44320e-02 514 2023 3 9.12163e-02 1.57619e-02 970 2023 4 9.68517e-02 2.21842e-02 723 2023 5 8.30781e-02 1.44512e-02 392 2023 6 7.23993e-02 1.16267e-02 896 2023 7 8.20363e-02 1.07578e-02 875 2023 8 1.01717e-01 1.81041e-02 341 2023 9 1.81254e-01 5.65421e-02 885 2023 10 2.06663e-01 5.24431e-02 896 2023 11 2.18250e-01 7.19163e-02 522 2023 12 2.07548e-01 4.12853e-02 850 2024 1 1.51820e-01 1.80720e-02 799 2024 2 1.56447e-01 1.49121e-02 1148 2024 3 1.52337e-01 3.32304e-02 810 2024 4 8.79621e-02 1.23645e-02 190