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 1.25051e-02 1.92411e-03 320
2002  8 1.57834e-02 2.28770e-03 270
2002  9 3.13750e-02 7.45381e-03 120
2002 10 2.16646e-02 2.96447e-03 400
2002 11 2.74276e-02 5.70235e-03 240
2002 12 3.51560e-02 1.47506e-02 270
2003  1 3.44146e-02 3.50524e-03 310
2003  2 3.35679e-02 6.25962e-03 939
2003  3 2.30396e-02 8.48071e-03 908
2003  4 1.99609e-02 3.20598e-03 551
2003  5 1.22801e-02 2.08286e-03 470
2003  6 1.02125e-02 5.97229e-04 209
2003  7 1.29951e-02 1.34491e-03 463
2003  8 1.13888e-02 5.84675e-04 71
2003  9 1.46644e-02 3.51043e-03 269
2003 10 3.77755e-02 2.72900e-02 671
2003 11 4.19171e-02 1.56790e-02 771
2003 12 4.96469e-02 2.09827e-02 192
2004  1 3.39841e-02 4.88458e-03 651
2004  2 2.91726e-02 6.73467e-03 960
2004  3 2.88267e-02 3.46250e-03 967
2004  4 2.48545e-02 3.52045e-03 714
2004  5 2.88186e-02 9.98275e-03 631
2004  6 1.69296e-02 2.87515e-03 643
2004  7 1.15124e-02 1.11918e-03 389
2004  8 1.51359e-02 2.03931e-03 371
2004  9 2.00178e-02 4.95839e-03 400
2004 10 2.32486e-02 2.02819e-03 803
2004 11 2.83562e-02 1.46652e-02 907
2004 12 6.18949e-02 4.60571e-02 385
2005  1 4.87814e-02 1.60461e-02 450
2005  2 4.11192e-02 1.58817e-02 782
2005  3 2.98507e-02 7.63450e-03 602
2005  4 2.45335e-02 7.25111e-03 560
2005  5 2.03213e-02 4.00045e-03 660
2005  6 2.29404e-02 6.33249e-03 320
2005  7 1.93284e-02 7.64400e-03 427
2005  8 1.50590e-02 3.98041e-03 704
2005  9 1.54264e-02 2.91179e-03 417
2005 10 3.24282e-02 7.30369e-03 266
2005 11 6.37399e-02 8.51282e-03 128
2005 12 6.13629e-02 1.07391e-02 191
2006  1 9.31424e-02 3.14764e-02 461
2006  2 3.25443e-02 5.74526e-03 715
2006  3 2.63916e-02 7.13425e-03 960
2006  4 1.90450e-02 3.49903e-03 865
2006  5 1.79937e-02 2.94377e-03 377
2006  6 1.42629e-02 1.28957e-03 719
2006  7 1.83015e-02 4.14996e-03 355
2006  8 1.69520e-02 2.77322e-03 541
2006  9 1.87457e-02 4.87070e-03 454
2006 10 2.39805e-02 3.77733e-03 551
2006 11 3.03493e-02 4.51203e-03 254
2006 12 3.82100e-02 1.67090e-02 281
2007  1 2.81209e-02 7.13076e-03 528
2007  2 7.14780e-02 4.42904e-02 209
2007  3 4.52849e-02 1.76131e-02 863
2007  4 3.14227e-02 5.69990e-03 512
2007  5 1.50867e-02 2.15755e-03 586
2007  6 1.51468e-02 4.74000e-03 351
2007  7 1.17083e-02 1.44763e-03 608
2007  8 1.75509e-02 6.76043e-03 543
2007  9 1.72476e-02 2.51468e-03 322
2007 10 2.29879e-02 3.74852e-03 454
2007 11 2.88670e-02 7.95473e-03 542
2007 12 2.73818e-02 1.02954e-02 543
2008  1 2.67831e-02 4.94014e-03 242
2008  2 2.38191e-02 6.07560e-03 792
2008  3 2.55285e-02 6.33118e-03 576
2008  4 1.68807e-02 1.90987e-03 764
2008  5 1.46963e-02 2.43530e-03 322
2008  6 1.30657e-02 8.70629e-04 346
2008  7 2.73906e-02 1.61520e-02 263
2008  8 1.56695e-02 3.28129e-03 311
2008  9 2.82349e-02 8.81636e-02 304
2008 10 2.59665e-02 5.02535e-03 384
2008 11 4.50807e-02 2.18418e-02 533
2008 12 7.42687e-02 4.98324e-02 293
2009  1 3.38772e-02 6.37678e-03 512
2009  2 2.85668e-02 4.31045e-03 838
2009  3 2.90560e-02 5.88839e-03 656
2009  4 1.70686e-02 3.39565e-03 503
2009  5 1.81581e-02 2.81022e-03 374
2009  6 1.33097e-02 4.71876e-03 362
2009  7 1.38922e-02 1.98528e-03 395
2009  8 1.66086e-02 2.64286e-03 164
2009  9 1.57737e-02 3.97084e-03 486
2009 10 2.31347e-02 4.92919e-03 656
2009 11 6.12279e-02 1.93959e-02 205
2009 12 2.71313e-02 3.71489e-03 384
2010  1 2.67757e-02 2.54611e-03 168
2010  2 2.96611e-02 5.24976e-03 277
2010  3 5.45717e-02 9.67925e-03 353
2010  4 3.31479e-02 7.91107e-03 566
2010  5 1.46202e-02 2.74450e-03 587
2010  6 1.76586e-02 3.01625e-03 743
2010  7 1.90047e-02 2.12156e-03 342
2010  8 1.39588e-02 3.56611e-03 288
2010  9 1.99218e-02 6.74035e-03 377
2010 10 3.33580e-02 4.33600e-03 813
2010 11 3.47506e-02 6.08157e-03 303
2010 12 4.49126e-02 1.44844e-03 64
2011  1 2.76270e-02 3.49535e-03 182
2011  2 3.21499e-02 5.53341e-03 935
2011  3 2.69598e-02 5.27938e-03 800
2011  4 1.67695e-02 1.81206e-03 842
2011  5 1.28400e-02 7.99723e-04 649
2011  6 1.96813e-02 3.46615e-03 400
2011  7 1.18268e-02 1.32225e-03 512
2011  8 1.37922e-02 3.44760e-03 420
2011  9 2.25476e-02 6.06961e-03 505
2011 10 3.01107e-02 3.01710e-03 206
2011 11 3.10564e-02 7.67553e-03 266
2011 12 2.83019e-02 3.57683e-03 778
2012  1 3.72602e-02 5.70608e-03 436
2012  2 1.73092e-02 2.74673e-03 495
2012  3 2.58748e-02 1.08687e-02 764
2012  4 2.11907e-02 4.45042e-03 564
2012  5 1.65185e-02 3.15767e-03 455
2012  6 1.45030e-02 4.61511e-04 206
2012  7 1.64038e-02 1.68599e-03 270
2012  8 1.54452e-02 1.73008e-03 297
2012  9 1.79366e-02 4.97496e-03 506
2012 10 2.26005e-02 8.80293e-03 752
2012 11 6.27246e-02 1.18442e-02 416
2012 12 3.77785e-02 1.80616e-02 585
2013  1 2.84876e-02 7.65358e-03 593
2013  2 3.50994e-02 2.05454e-02 448
2013  3 4.03805e-02 7.10773e-03 690
2013  4 2.76303e-02 5.62447e-03 575
2013  5 1.60811e-02 1.54951e-03 573
2013  6 1.76140e-02 2.00625e-03 295
2013  7 1.55675e-02 6.50307e-03 384
2013  8 1.78530e-02 4.21644e-03 385
2013  9 2.17403e-02 6.70467e-03 231
2013 10 2.74807e-02 4.33646e-03 579
2013 11 2.95067e-02 3.50733e-03 555
2013 12 2.43885e-02 9.11807e-03 320
2014  1 3.60750e-02 7.33491e-03 16
2014  2 3.13285e-02 8.73042e-03 699
2014  3 2.51717e-02 4.29233e-03 727
2014  4 2.22555e-02 4.32022e-03 393
2014  5 2.22135e-02 4.82583e-03 741
2014  6 1.95886e-02 5.67591e-03 594
2014  7 1.10812e-02 1.80312e-03 202
2014  8 1.70454e-02 3.76013e-03 415
2014  9 2.88698e-02 1.52599e-02 195
2014 10 2.63030e-02 8.06724e-03 343
2014 11 3.13849e-02 5.91414e-03 231
2014 12 3.69820e-02 4.80263e-03 538
2015  1 4.36976e-02 5.99276e-03 327
2015  2 5.55711e-02 7.22925e-02 76
2015  3 3.19640e-02 1.25347e-02 720
2015  4 2.33984e-02 2.49534e-03 495
2015  5 1.99086e-02 4.25456e-03 725
2015  6 1.95448e-02 4.84402e-03 259
2015  7 1.57298e-02 2.08312e-03 195
2015  8 1.53202e-02 1.46017e-03 268
2015  9 2.21587e-02 4.41192e-03 547
2015 10 2.72912e-02 5.28353e-03 373
2015 11 3.09424e-02 3.49188e-03 603
2015 12 3.21830e-02 7.09834e-03 375
2016  1 2.60838e-02 7.69367e-03 86
2016  2 2.88727e-02 3.72727e-03 128
2016  3 4.28481e-02 2.04348e-02 531
2016  4 2.48296e-02 3.43974e-03 702
2016  5 3.03905e-02 7.13442e-03 616
2016  6 1.86087e-02 3.74000e-03 451
2016  7 1.68971e-02 4.49862e-03 467
2016  8 2.08006e-02 5.28591e-03 575
2016  9 2.86655e-02 9.78238e-03 749
2016 10 5.93717e-02 1.87072e-02 565
2016 11 7.06424e-02 2.09022e-02 1149
2016 12 4.39118e-02 1.37207e-02 462
2017  1 3.53997e-02 2.26384e-03 288
2017  2 2.93352e-02 4.53819e-03 990
2017  3 2.87555e-02 2.75500e-03 896
2017  4 3.05928e-02 6.51924e-03 576
2017  5 2.08998e-02 1.32565e-03 448
2017  6 1.55364e-02 1.25929e-03 256
2017  7 2.59219e-02 6.93984e-03 179
2017  8 1.61638e-02 4.25199e-03 463
2017  9 2.28138e-02 3.51062e-03 255
2017 10 3.73305e-02 8.06584e-03 454
2017 11 5.14337e-02 1.56883e-02 713
2017 12 5.91234e-02 9.22537e-03 621
2018  1 1.23961e-01 2.62419e-01 253
2018  2 3.13196e-02 6.22382e-03 918
2018  3 2.12978e-02 4.26030e-03 762
2018  4 1.97890e-02 2.90438e-03 679
2018  5 2.22497e-02 3.49295e-03 256
2018  6 1.27209e-02 2.07703e-03 388
2018  7 1.46411e-02 3.65059e-03 446
2018  8 1.92547e-02 8.83700e-03 108
2018  9 4.18761e-02 2.79106e-02 580
2018 10 5.41273e-02 3.13786e-02 942
2018 11 2.87130e-02 5.96967e-03 704
2018 12 5.66008e-02 2.48386e-02 279
2019  1 2.34985e-02 3.96121e-03 513
2019  2 2.93209e-02 1.48262e-02 812
2019  3 2.06486e-02 5.73153e-03 717
2019  4 2.48749e-02 6.75645e-03 532
2019  5 3.18841e-02 1.64529e-02 746
2019  6 1.58822e-02 2.55041e-03 532
2019  7 1.87692e-02 5.03987e-03 463
2019  8 1.54439e-02 2.11547e-03 388
2019  9 5.60237e-02 1.75294e-02 169
2019 10 2.29386e-02 5.90229e-03 566
2019 11 3.06309e-02 1.09753e-02 506
2019 12 3.12035e-02 6.78998e-03 233
2020  1 3.94777e-02 2.50100e-02 403
2020  2 2.69599e-02 4.94479e-03 699
2020  3 4.82606e-02 2.12051e-02 870
2020  4 2.24389e-02 5.98493e-03 448
2020  5 1.96637e-02 3.45713e-03 256
2020  6 2.01856e-02 1.42819e-02 373
2020  7 2.90605e-02 7.26642e-03 253
2020  8 2.03440e-02 6.37238e-03 407
2020  9 2.41551e-02 5.41571e-03 209
2020 10 2.80880e-02 5.14523e-03 165
2020 11 4.18606e-02 1.90214e-02 360
2020 12 3.88147e-02 2.36213e-03 96
2021  1 3.60929e-02 7.48598e-03 196
2021  2 3.05643e-02 5.26236e-03 610
2021  3 3.60032e-02 9.83980e-03 905
2021  4 3.53273e-02 1.08857e-02 687
2021  5 2.34507e-02 5.69281e-03 602
2021  6 2.12089e-02 7.82475e-03 215
2021  7 1.96824e-02 6.62500e-03 435
2021  8 1.48415e-02 2.53476e-03 215
2021  9 2.64977e-02 9.16109e-03 559
2021 10 2.74212e-02 1.03031e-02 218
2021 11 2.91420e-02 1.76306e-02 324
2021 12 2.13768e-02 4.56283e-03 938
2022  1 2.38846e-02 8.31556e-03 329
2022  2 3.13044e-02 1.06004e-02 322
2022  3 2.94584e-02 5.24983e-03 730
2022  4 3.00010e-02 3.89085e-03 320
2022  5 2.53765e-02 3.37276e-03 577
2022  6 2.10234e-02 3.93298e-03 565
2022  7 2.79769e-02 2.93973e-02 199
2022  8 1.88827e-02 2.89081e-03 484
2022  9 2.08020e-02 1.76619e-03 367
2022 10 6.83946e-02 1.49436e-02 314
2022 11 5.63268e-02 1.88237e-02 571
2022 12 5.65052e-02 1.66598e-02 540
2023  1 3.06138e-02 8.28374e-03 247
2023  2 3.38448e-02 6.89557e-03 1081
2023  3 2.44419e-02 6.69314e-03 807
2023  4 1.97920e-02 2.57165e-03 348
2023  5 1.90112e-02 3.58518e-03 577
2023  6 1.15618e-02 1.80162e-03 442
2023  7 1.43544e-02 5.08694e-03 405
2023  8 1.62744e-02 4.32119e-03 424
2023  9 2.66615e-02 6.20222e-03 420
2023 10 4.17242e-02 8.68604e-03 195
2023 11 3.36574e-02 6.40118e-03 609
2023 12 2.88128e-02 2.14328e-03 236
2024  1 2.68341e-02 4.46170e-03 256
2024  2 3.07258e-02 3.70412e-03 675
2024  3 1.95167e-02 4.02409e-03 384
2024  4 1.22813e-02 3.07619e-04 64