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 1.27038e-02 7.97273e-03 203 2002 8 6.75402e-03 5.33642e-03 323 2002 9 2.16759e-02 1.59469e-02 218 2002 10 2.13190e-02 1.20305e-02 778 2002 11 3.06889e-02 4.08339e-02 880 2002 12 1.99791e-02 2.43285e-02 613 2003 1 3.93243e-02 4.11969e-02 1031 2003 2 2.29699e-02 1.67303e-02 594 2003 3 4.09497e-02 1.31136e-02 32 2003 4 2.37236e-01 9.81809e-02 24 2003 5 3.97111e-04 4.77303e-04 15 2003 6 3.61090e-02 2.14214e-02 58 2003 7 6.58357e-03 8.43419e-03 72 2003 8 2.91814e-02 2.89802e-02 169 2003 9 1.27176e-02 1.83518e-02 291 2003 10 1.12925e-02 1.30296e-02 710 2003 11 1.25926e-02 1.96239e-02 1117 2003 12 3.70108e-02 3.12274e-02 896 2004 1 2.03179e-02 2.09643e-02 891 2004 2 3.48815e-02 2.48477e-02 147 2004 3 3.57749e-02 3.78249e-02 397 2004 4 1.83914e-02 1.42614e-02 384 2004 5 7.60608e-03 2.19124e-02 497 2004 6 8.32913e-03 8.26898e-03 465 2004 7 7.67400e-03 1.66407e-02 315 2004 8 9.70922e-03 7.83055e-03 345 2004 9 9.76394e-02 1.13286e-01 210 2004 10 2.24988e-01 1.67378e-01 128 2004 11 2.10512e-01 1.39780e-01 303 2004 12 1.11194e-01 8.35566e-02 384 2005 1 7.04942e-02 5.11024e-02 697 2005 2 5.67333e-02 6.26614e-02 520 2005 3 6.66849e-02 7.08452e-02 599 2005 4 1.46573e-01 1.28738e-01 231 2005 5 1.21373e-02 6.50326e-03 66 2005 6 3.52859e-02 3.10953e-02 309 2005 7 2.21927e-01 1.25332e-01 200 2005 8 5.92894e-02 5.65352e-02 210 2005 9 3.64628e-02 4.12607e-02 267 2005 10 1.68283e-02 1.66123e-02 835 2005 11 1.55838e-02 1.26930e-02 1016 2005 12 3.15916e-02 2.34793e-02 1069 2006 1 4.92307e-02 3.42853e-02 692 2006 2 1.32921e-01 1.05892e-01 768 2006 3 6.19563e-02 6.55951e-02 541 2006 4 1.30286e-02 3.46919e-02 194 2006 5 8.07386e-03 7.26935e-03 372 2006 6 9.23345e-03 1.10500e-02 361 2006 7 3.88860e-03 5.50615e-03 340 2006 8 4.09015e-03 4.56508e-03 256 2006 9 1.49108e-02 5.51843e-03 605 2006 10 2.72527e-02 2.76187e-02 726 2006 11 2.08871e-02 2.01037e-02 837 2006 12 2.20818e-02 3.75711e-02 458 2007 1 8.38583e-03 6.69307e-03 384 2007 2 1.66480e-02 2.46028e-02 766 2007 3 5.04411e-03 1.11190e-02 1086 2007 4 5.79941e-03 9.46880e-03 586 2007 5 4.42056e-03 2.30375e-03 85 2007 6 6.33730e-03 1.03607e-02 362 2007 7 1.14099e-02 5.27925e-03 497 2007 8 8.43679e-03 3.88950e-03 415 2007 9 9.77421e-03 6.83157e-03 416 2007 10 1.03299e-02 1.73663e-02 563 2007 11 7.58542e-03 3.82439e-03 1150 2007 12 1.60911e-02 2.49283e-02 781 2008 1 2.58812e-02 4.50480e-02 704 2008 2 1.43667e-02 1.68635e-02 898 2008 3 3.91523e-02 5.15933e-02 768 2008 4 3.18253e-02 4.01055e-02 238 2008 5 2.44314e-02 2.14742e-02 354 2008 6 8.10768e-03 4.70564e-03 254 2008 7 5.54240e-03 2.51754e-03 399 2008 8 1.27366e-02 8.63000e-03 128 2008 9 4.35399e-02 6.24425e-02 417 2008 10 1.25630e-02 1.66541e-02 955 2008 11 1.20015e-02 1.11999e-02 940 2008 12 3.18032e-02 2.94059e-02 813 2009 1 4.30753e-02 5.99100e-02 762 2009 2 1.79350e-02 2.57694e-02 969 2009 3 9.12611e-03 1.40608e-02 796 2009 4 2.03177e-02 2.21990e-02 439 2009 5 2.20756e-02 1.97229e-02 149 2009 6 7.76819e-03 1.40165e-02 267 2009 7 2.65549e-02 2.99881e-02 139 2009 8 1.05740e-02 2.27353e-02 418 2009 9 1.01121e-02 9.94124e-03 463 2009 10 1.08142e-02 2.30168e-02 904 2009 11 7.83001e-03 5.92841e-03 704 2009 12 3.05121e-02 2.12648e-02 192 2010 1 3.74337e-02 2.20623e-02 875 2010 2 1.15048e-01 7.70245e-02 625 2010 3 1.67272e-01 1.02804e-01 759 2010 4 8.12277e-02 1.27186e-01 222 2010 5 1.47505e-02 1.73466e-02 244 2010 6 2.89816e-03 1.57160e-02 557 2010 7 1.74912e-02 4.67522e-02 292 2010 8 7.60785e-03 6.46886e-03 218 2010 9 5.13178e-03 6.28763e-03 409 2010 10 6.43489e-03 3.54580e-03 1478 2010 11 6.29507e-03 5.09212e-03 1084 2010 12 2.52871e-02 1.93830e-02 1032 2011 1 2.14489e-02 2.06842e-02 706 2011 2 7.49877e-03 3.83884e-03 819 2011 3 9.56597e-03 9.96452e-03 713 2011 4 6.49026e-03 5.96903e-03 742 2011 5 3.30424e-03 5.03617e-03 642 2011 6 1.44200e-03 6.79550e-04 193 2011 7 4.34255e-03 2.74213e-03 281 2011 8 8.05135e-03 5.23440e-03 508 2011 9 6.60629e-03 3.45013e-03 629 2011 10 1.24373e-02 2.27732e-02 994 2011 11 8.40301e-03 7.00700e-03 989 2011 12 8.64836e-03 5.66322e-03 925 2012 1 1.18693e-02 9.89899e-03 1059 2012 2 1.00132e-02 8.12291e-03 256 2012 3 9.09255e-03 1.28464e-02 832 2012 4 5.09175e-03 3.00005e-03 685 2012 5 5.11704e-03 3.61568e-03 448 2012 6 1.28065e-02 1.01897e-02 183 2012 7 nan nan 0 2012 8 5.59280e-02 2.80719e-02 86 2012 9 1.04571e-01 1.08462e-01 307 2012 10 6.07062e-02 4.79961e-02 701 2012 11 2.62364e-02 2.27416e-02 624 2012 12 7.07044e-02 8.09020e-02 448 2013 1 2.53133e-02 3.52661e-02 576 2013 2 1.51820e-02 1.12009e-02 512 2013 3 2.71319e-02 4.02548e-02 622 2013 4 2.25683e-02 4.18441e-02 343 2013 5 6.61292e-03 8.21027e-03 383 2013 6 2.13087e-02 4.86435e-02 217 2013 7 2.48771e-02 1.90288e-02 42 2013 8 nan nan 0 2013 9 4.63461e-02 6.40955e-02 219 2013 10 2.02711e-02 3.34518e-02 632 2013 11 7.66644e-03 6.42449e-03 493 2013 12 7.24306e-03 5.26081e-03 517 2014 1 2.60289e-02 1.90374e-02 515 2014 2 2.05499e-02 3.44722e-02 657 2014 3 2.74340e-02 2.23839e-02 389 2014 4 nan nan 0 2014 5 2.34912e-02 1.23917e-02 49 2014 6 3.60832e-02 3.50027e-02 123 2014 7 1.93832e-02 2.05682e-02 379 2014 8 2.95099e-03 4.92136e-03 217 2014 9 5.69096e-03 5.74803e-03 391 2014 10 1.39360e-02 1.80812e-02 1288 2014 11 1.84113e-02 2.43770e-02 1018 2014 12 7.84831e-03 1.01494e-02 671 2015 1 1.80570e-02 2.69155e-02 766 2015 2 1.69642e-02 1.29870e-02 731 2015 3 3.60141e-02 5.78502e-02 301 2015 4 1.35290e-02 9.10662e-03 22 2015 5 7.03557e-03 4.05223e-03 285 2015 6 3.32528e-03 3.71498e-03 366 2015 7 8.77509e-03 1.46807e-02 163 2015 8 3.34974e-02 4.51894e-02 262 2015 9 1.26282e-02 1.02410e-02 178 2015 10 8.45912e-03 5.77130e-03 590 2015 11 1.64586e-02 1.25834e-02 448 2015 12 1.09779e-02 9.20022e-03 574 2016 1 1.96719e-02 1.05516e-02 701 2016 2 4.53008e-02 5.98880e-02 1135 2016 3 2.20749e-02 2.55426e-02 631 2016 4 1.71483e-02 1.31751e-02 327 2016 5 4.21654e-03 5.67173e-03 291 2016 6 3.40403e-03 4.88942e-03 583 2016 7 1.03563e-02 3.67467e-02 663 2016 8 4.65870e-02 8.13985e-02 434 2016 9 4.80304e-02 3.57836e-02 590 2016 10 1.63790e-02 1.85828e-02 870 2016 11 6.71967e-03 5.01801e-03 866 2016 12 6.14970e-03 5.41660e-03 808 2017 1 1.95454e-02 2.53520e-02 703 2017 2 1.43526e-02 1.25067e-02 1088 2017 3 1.14090e-02 2.00507e-02 883 2017 4 9.06758e-03 5.95418e-03 569 2017 5 1.20964e-02 8.18916e-03 377 2017 6 4.57489e-03 2.15599e-03 251 2017 7 1.57662e-02 2.94320e-02 121 2017 8 1.40951e-02 2.27792e-02 534 2017 9 1.49006e-02 9.56983e-03 357 2017 10 6.78675e-02 7.05831e-02 327 2017 11 4.98952e-03 4.78846e-03 906 2017 12 9.66300e-03 8.36031e-03 640 2018 1 1.41432e-02 1.44474e-02 624 2018 2 6.78922e-03 3.39256e-03 535 2018 3 2.11868e-02 2.66181e-02 810 2018 4 7.47947e-03 9.29348e-03 348 2018 5 1.90166e-02 1.37326e-02 436 2018 6 1.06180e-02 1.16340e-02 318 2018 7 2.15071e-02 2.10796e-02 110 2018 8 5.58877e-02 5.29719e-02 223 2018 9 2.19075e-02 1.43467e-02 639 2018 10 2.70485e-02 3.74408e-02 818 2018 11 4.38038e-02 3.98744e-02 259 2018 12 6.69584e-02 5.09850e-02 636 2019 1 1.46053e-01 9.68467e-02 531 2019 2 6.06188e-02 5.90165e-02 247 2019 3 4.17484e-02 3.51991e-02 385 2019 4 2.10924e-02 1.36953e-02 238 2019 5 3.88236e-03 4.05674e-03 576 2019 6 1.16430e-02 6.00436e-03 141 2019 7 3.89591e-03 3.64513e-03 369 2019 8 1.70289e-02 2.43348e-02 330 2019 9 3.97607e-03 8.19714e-03 549 2019 10 9.50053e-03 1.09099e-02 575 2019 11 7.22420e-03 5.44722e-03 688 2019 12 2.49925e-02 4.02754e-02 507 2020 1 1.06143e-02 6.73639e-03 588 2020 2 2.21958e-02 2.12712e-02 602 2020 3 1.20367e-02 1.71314e-02 565 2020 4 2.64401e-02 2.33042e-02 589 2020 5 2.75114e-03 3.17720e-03 490 2020 6 1.41176e-02 4.79701e-02 550 2020 7 6.67566e-02 4.81598e-02 89 2020 8 2.80650e-03 2.79935e-03 176 2020 9 5.08194e-02 3.17225e-02 158 2020 10 1.59583e-02 1.72010e-02 453 2020 11 1.65464e-02 2.74046e-02 682 2020 12 1.57206e-02 2.04148e-02 539 2021 1 5.51478e-02 6.63766e-02 543 2021 2 1.06756e-01 8.40554e-02 369 2021 3 6.93825e-02 1.07810e-01 185 2021 4 7.14756e-03 5.11444e-03 33 2021 5 9.18944e-03 1.21832e-02 374 2021 6 1.26454e-02 1.14616e-02 157 2021 7 2.36575e-03 1.52402e-03 19 2021 8 7.96730e-03 4.49723e-03 76 2021 9 1.07517e-01 7.87779e-02 439 2021 10 3.39874e-02 5.21705e-02 564 2021 11 4.43475e-02 4.47289e-02 726 2021 12 3.67928e-02 2.28782e-02 572 2022 1 6.37085e-02 7.65191e-02 956 2022 2 1.89209e-02 1.33065e-02 707 2022 3 3.86733e-02 4.42212e-02 640 2022 4 5.24836e-02 1.89407e-02 64 2022 5 2.08879e-02 1.62039e-02 275 2022 6 3.73644e-03 4.81917e-03 326 2022 7 1.48372e-03 2.31038e-03 173 2022 8 4.24545e-03 4.13622e-03 432 2022 9 6.40330e-03 9.81214e-03 414 2022 10 3.77517e-03 6.86623e-03 1373 2022 11 8.99273e-03 2.00675e-02 486 2022 12 2.02054e-02 2.73688e-02 953 2023 1 1.21791e-02 1.69415e-02 859 2023 2 1.17278e-02 9.10860e-03 576 2023 3 1.33031e-02 1.60168e-02 717 2023 4 1.07822e-02 6.51178e-03 329 2023 5 1.80686e-02 2.87929e-02 246 2023 6 7.70494e-03 7.46518e-03 256 2023 7 4.51448e-03 5.59457e-03 297 2023 8 9.92007e-03 1.61807e-02 437 2023 9 1.09923e-02 8.47560e-03 286 2023 10 1.57480e-02 2.49810e-02 594 2023 11 7.53090e-03 9.33836e-03 618 2023 12 4.66018e-02 4.54234e-02 375 2024 1 1.29726e-01 9.66870e-02 332 2024 2 3.89434e-02 2.93600e-02 466 2024 3 2.01276e-02 2.61814e-02 124 2024 4 nan nan 0