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 1.12738e-01 1.58966e-02 519 2002 8 1.05303e-01 1.87644e-02 464 2002 9 1.18635e-01 2.42389e-02 642 2002 10 1.32546e-01 2.64965e-02 605 2002 11 1.18074e-01 1.53085e-02 255 2002 12 9.38453e-02 7.70651e-03 512 2003 1 1.02580e-01 6.11134e-03 122 2003 2 8.62425e-02 3.53557e-03 414 2003 3 7.71717e-02 5.19897e-03 763 2003 4 1.55810e-01 5.00009e-02 522 2003 5 1.77211e-01 1.04502e-01 393 2003 6 1.37943e-01 1.29678e-01 505 2003 7 9.16689e-02 1.40382e-02 659 2003 8 8.91456e-02 1.09011e-02 614 2003 9 8.34106e-02 1.54112e-02 1003 2003 10 1.41026e-01 3.09353e-02 704 2003 11 1.01611e-01 1.42826e-02 554 2003 12 1.07981e-01 9.18330e-03 491 2004 1 1.20088e-01 1.37311e-02 150 2004 2 1.01387e-01 1.00150e-02 895 2004 3 9.23398e-02 7.55917e-03 512 2004 4 1.44051e-01 4.23315e-02 576 2004 5 1.05866e-01 2.56642e-02 267 2004 6 7.84011e-02 7.35121e-03 530 2004 7 7.37408e-02 7.10092e-03 196 2004 8 8.70167e-02 1.03219e-02 576 2004 9 9.13333e-02 1.40884e-02 720 2004 10 1.17174e-01 1.19147e-02 512 2004 11 1.08152e-01 1.89009e-02 655 2004 12 1.13427e-01 1.86946e-02 148 2005 1 9.31235e-02 2.05304e-02 374 2005 2 7.96141e-02 6.51475e-03 640 2005 3 7.93215e-02 9.55468e-03 665 2005 4 1.83347e-01 3.95761e-02 698 2005 5 1.32550e-01 4.02460e-02 436 2005 6 1.04138e-01 1.93048e-02 436 2005 7 1.00132e-01 1.31001e-02 480 2005 8 9.79733e-02 1.28607e-02 765 2005 9 1.12384e-01 1.33059e-02 1088 2005 10 1.18631e-01 1.93693e-02 541 2005 11 1.35606e-01 3.00802e-02 626 2005 12 1.10045e-01 9.74092e-03 400 2006 1 1.30297e-01 5.87532e-02 830 2006 2 1.18566e-01 1.53842e-02 464 2006 3 8.88018e-02 8.93619e-03 764 2006 4 2.14773e-01 1.60954e-01 733 2006 5 1.42246e-01 3.20339e-02 225 2006 6 1.01981e-01 1.44591e-02 384 2006 7 1.01009e-01 6.29225e-03 404 2006 8 1.00120e-01 7.95264e-02 779 2006 9 1.11442e-01 3.26778e-02 748 2006 10 1.39740e-01 2.71324e-02 813 2006 11 1.12052e-01 1.24162e-01 325 2006 12 1.17958e-01 2.25302e-02 256 2007 1 9.76232e-02 8.61040e-03 448 2007 2 8.36077e-02 8.80059e-03 517 2007 3 8.65528e-02 8.81184e-03 640 2007 4 1.29979e-01 3.68873e-02 448 2007 5 9.62670e-02 2.91969e-02 710 2007 6 8.03503e-02 9.54199e-03 640 2007 7 7.37068e-02 6.71422e-03 440 2007 8 9.27752e-02 1.31029e-02 581 2007 9 1.05947e-01 1.43963e-02 1096 2007 10 1.39121e-01 3.92645e-02 701 2007 11 1.20620e-01 3.04477e-02 573 2007 12 9.51547e-02 5.33911e-03 256 2008 1 1.30270e-01 1.12757e-01 375 2008 2 9.15915e-02 8.09596e-03 492 2008 3 9.32243e-02 6.90146e-03 544 2008 4 3.37237e-01 4.07447e-01 698 2008 5 1.25823e-01 2.71990e-02 600 2008 6 1.00362e-01 1.76443e-02 629 2008 7 8.83191e-02 6.52390e-03 640 2008 8 9.48657e-02 2.23726e-02 849 2008 9 1.21064e-01 3.03768e-02 832 2008 10 1.48810e-01 6.53764e-02 853 2008 11 1.23303e-01 2.75906e-02 372 2008 12 1.25919e-01 7.77520e-02 514 2009 1 8.70346e-02 1.67489e-02 532 2009 2 8.52458e-02 4.19716e-03 432 2009 3 1.03537e-01 8.57371e-03 787 2009 4 2.64656e-01 1.14828e-01 611 2009 5 1.16719e-01 1.51661e-02 512 2009 6 9.35885e-02 1.55073e-02 192 2009 7 1.08433e-01 3.23268e-02 713 2009 8 1.15572e-01 6.27795e-02 771 2009 9 1.16551e-01 3.24057e-02 896 2009 10 1.99137e-01 1.36635e-01 576 2009 11 2.16547e-01 2.04856e-01 579 2009 12 1.21480e-01 5.16999e-02 301 2010 1 8.93250e-02 1.16862e-02 696 2010 2 9.24146e-02 8.36694e-03 603 2010 3 1.06584e-01 1.94807e-02 513 2010 4 2.88054e-01 2.40300e-01 574 2010 5 9.37037e-02 4.19120e-02 843 2010 6 8.61305e-02 1.01798e-02 512 2010 7 9.23024e-02 8.02650e-03 549 2010 8 1.14346e-01 2.95601e-02 943 2010 9 1.23786e-01 3.29564e-02 1009 2010 10 2.25855e-01 1.88874e-01 654 2010 11 1.27472e-01 1.42645e-02 448 2010 12 1.04414e-01 1.11857e-02 256 2011 1 9.51617e-02 1.46165e-02 256 2011 2 9.60826e-02 9.18130e-03 562 2011 3 1.01246e-01 7.40032e-03 768 2011 4 1.42421e-01 4.19359e-02 450 2011 5 1.25011e-01 3.77513e-02 384 2011 6 1.13462e-01 1.51572e-02 256 2011 7 8.37973e-02 9.22960e-03 896 2011 8 1.01483e-01 2.49863e-02 860 2011 9 1.45938e-01 1.49194e-01 575 2011 10 1.38507e-01 3.04353e-02 876 2011 11 1.74231e-01 9.48795e-02 718 2011 12 1.22546e-01 2.05391e-02 512 2012 1 8.79150e-02 1.09691e-02 452 2012 2 8.40037e-02 1.00129e-02 547 2012 3 2.72862e-01 2.03939e-01 879 2012 4 3.07310e-01 2.43120e-01 960 2012 5 9.91262e-02 1.05467e-02 523 2012 6 9.75131e-02 4.19236e-02 449 2012 7 1.01871e-01 1.41610e-02 686 2012 8 1.13293e-01 1.76395e-02 702 2012 9 1.11755e-01 3.09912e-02 748 2012 10 1.21717e-01 1.25627e-02 542 2012 11 1.34169e-01 2.13174e-02 530 2012 12 3.45237e-01 5.22264e-01 312 2013 1 9.68141e-02 1.05358e-02 427 2013 2 8.69525e-02 8.22770e-03 569 2013 3 8.98098e-02 5.47657e-03 346 2013 4 8.86358e-02 2.14399e-02 927 2013 5 8.52612e-02 2.13582e-02 448 2013 6 9.88113e-02 3.04917e-02 512 2013 7 8.05934e-02 1.67814e-02 576 2013 8 1.05349e-01 2.08073e-02 810 2013 9 1.34871e-01 1.69837e-02 1083 2013 10 1.65147e-01 1.34853e-01 918 2013 11 1.39181e-01 2.21609e-02 576 2013 12 1.14762e-01 2.31081e-03 64 2014 1 1.08220e-01 1.26095e-02 440 2014 2 1.00865e-01 9.76541e-03 402 2014 3 8.45017e-02 8.36428e-03 515 2014 4 2.05951e-01 1.30842e-01 700 2014 5 1.08041e-01 3.32155e-02 702 2014 6 9.97582e-02 1.39524e-02 766 2014 7 9.46751e-02 1.94794e-02 567 2014 8 8.81235e-02 1.65413e-02 1176 2014 9 9.43532e-02 1.49829e-02 1107 2014 10 1.27454e-01 1.91815e-02 798 2014 11 1.08656e-01 1.95961e-02 298 2014 12 1.14517e-01 1.40162e-02 128 2015 1 1.10308e-01 3.18574e-02 448 2015 2 1.13221e-01 1.64625e-02 320 2015 3 8.89504e-02 7.54088e-03 758 2015 4 1.11527e-01 6.99231e-02 832 2015 5 1.59638e-01 3.11897e-01 587 2015 6 9.77793e-02 5.55951e-02 299 2015 7 8.50490e-02 1.30699e-02 616 2015 8 1.15653e-01 1.97886e-02 768 2015 9 9.78566e-02 2.12051e-02 1088 2015 10 1.42785e-01 3.71956e-02 749 2015 11 1.38838e-01 2.91456e-02 799 2015 12 1.47687e-01 2.87801e-02 399 2016 1 1.18325e-01 1.63834e-02 354 2016 2 1.14928e-01 9.83952e-03 640 2016 3 1.03340e-01 1.03425e-02 433 2016 4 1.22620e-01 2.41380e-02 576 2016 5 1.20811e-01 3.51573e-02 453 2016 6 8.91104e-02 1.13201e-02 797 2016 7 8.66216e-02 1.16711e-02 896 2016 8 1.12639e-01 4.94280e-02 1060 2016 9 1.05539e-01 1.46718e-02 757 2016 10 9.53340e-02 1.94101e-02 791 2016 11 1.37790e-01 1.98854e-02 706 2016 12 1.06092e-01 6.07013e-03 320 2017 1 9.71963e-02 1.62614e-02 384 2017 2 9.84258e-02 9.78194e-03 543 2017 3 9.21672e-02 1.43148e-02 781 2017 4 1.30191e-01 2.97731e-02 466 2017 5 9.05542e-02 1.55954e-02 424 2017 6 8.25212e-02 1.34397e-02 792 2017 7 9.28803e-02 9.96811e-03 640 2017 8 1.02351e-01 2.64742e-02 765 2017 9 1.08299e-01 1.78120e-02 702 2017 10 1.58627e-01 3.81065e-02 1027 2017 11 1.52626e-01 4.33068e-02 395 2017 12 9.35822e-02 6.82554e-03 191 2018 1 1.03979e-01 1.35108e-02 448 2018 2 1.36317e-01 3.60017e-02 276 2018 3 1.36077e-01 8.27129e-02 370 2018 4 1.48285e-01 4.42880e-02 697 2018 5 1.06051e-01 2.11014e-02 460 2018 6 9.84474e-02 1.88936e-02 599 2018 7 1.01266e-01 6.17043e-02 705 2018 8 1.09174e-01 8.97743e-02 768 2018 9 7.97907e-02 1.19798e-02 540 2018 10 1.29978e-01 1.61330e-01 683 2018 11 1.27253e-01 1.57796e-02 314 2018 12 1.36280e-01 5.13318e-02 362 2019 1 1.15257e-01 2.56478e-02 642 2019 2 9.90064e-02 4.40321e-02 372 2019 3 8.14291e-02 7.85421e-03 1052 2019 4 9.63745e-02 1.80977e-02 580 2019 5 1.16879e-01 3.77179e-02 218 2019 6 9.99868e-02 1.27578e-02 575 2019 7 9.20397e-02 1.16866e-02 825 2019 8 9.76257e-02 1.43740e-02 832 2019 9 1.17840e-01 1.94859e-02 928 2019 10 1.62265e-01 3.40364e-02 448 2019 11 1.50849e-01 3.43611e-02 640 2019 12 1.10216e-01 4.54000e-02 448 2020 1 1.01729e-01 1.11480e-02 756 2020 2 9.38155e-02 1.04272e-02 607 2020 3 1.12113e-01 1.41877e-02 644 2020 4 1.08464e-01 2.11429e-02 419 2020 5 1.92993e-01 1.65570e-01 660 2020 6 1.07191e-01 1.43592e-02 589 2020 7 9.51849e-02 1.94419e-02 582 2020 8 1.04385e-01 1.51843e-02 384 2020 9 8.25105e-02 3.46918e-02 467 2020 10 1.19844e-01 1.90145e-02 704 2020 11 2.54981e-01 3.01472e-01 562 2020 12 2.04522e-01 4.47568e-02 383 2021 1 1.98119e-01 6.63695e-02 389 2021 2 1.29388e-01 3.72306e-02 379 2021 3 1.46148e-01 4.47004e-02 821 2021 4 1.33414e-01 1.73242e-01 825 2021 5 1.06786e-01 2.46864e-02 1018 2021 6 9.67932e-02 4.24649e-02 443 2021 7 9.94576e-02 1.66559e-02 448 2021 8 7.71269e-02 1.50205e-02 553 2021 9 1.05294e-01 2.58458e-02 820 2021 10 1.58962e-01 3.85267e-02 640 2021 11 1.65970e-01 5.47526e-02 845 2021 12 2.79868e-01 3.11620e-01 278 2022 1 1.09891e-01 1.38056e-02 282 2022 2 1.11102e-01 5.89868e-02 703 2022 3 1.04678e-01 3.44295e-02 673 2022 4 1.43302e-01 3.95734e-02 320 2022 5 1.04399e-01 2.27458e-02 355 2022 6 8.78875e-02 1.05418e-02 843 2022 7 8.06926e-02 4.64708e-03 1024 2022 8 1.05282e-01 2.66115e-02 923 2022 9 1.04315e-01 1.86816e-02 872 2022 10 1.37480e-01 3.98664e-02 838 2022 11 1.55014e-01 1.13416e-01 973 2022 12 1.65705e-01 1.74796e-01 442 2023 1 1.01309e-01 1.58308e-02 359 2023 2 1.01694e-01 2.93246e-02 320 2023 3 8.32954e-02 1.50484e-02 828 2023 4 1.65956e-01 1.69998e-01 606 2023 5 1.15768e-01 3.08612e-02 831 2023 6 1.29832e-01 4.49642e-02 482 2023 7 3.28894e-01 1.78638e-01 640 2023 8 1.98223e-01 9.26844e-02 696 2023 9 1.45103e-01 2.10080e-02 601 2023 10 2.31259e-01 3.73456e-01 895 2023 11 2.58406e-01 4.77711e-01 328 2023 12 1.27470e-01 7.38256e-03 386 2024 1 1.13250e-01 1.07586e-02 278 2024 2 1.14709e-01 2.05982e-02 528 2024 3 1.06469e-01 2.13303e-02 591 2024 4 nan nan 0