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 3.61964e-02 3.52479e-03 254
2002  8 4.15925e-02 6.42650e-03 256
2002  9 5.26808e-02 6.83606e-03 320
2002 10 4.72925e-02 3.49033e-03 373
2002 11 4.25634e-02 4.81266e-03 840
2002 12 3.98095e-02 4.97102e-03 699
2003  1 3.64535e-02 2.30752e-03 951
2003  2 3.54285e-02 3.80727e-03 484
2003  3 3.56546e-02 5.43887e-03 919
2003  4 3.49287e-02 8.97407e-04 175
2003  5 2.58593e-02 5.39528e-03 256
2003  6 5.91407e-02 1.06483e-03 50
2003  7 3.35518e-02 2.85175e-03 192
2003  8 3.49396e-02 4.99944e-03 154
2003  9 3.45254e-02 4.35989e-03 291
2003 10 3.58989e-02 3.58860e-03 588
2003 11 5.32630e-02 9.16966e-03 208
2003 12 3.97263e-02 4.48594e-03 500
2004  1 3.87589e-02 1.22262e-02 882
2004  2 3.77650e-02 2.77409e-03 660
2004  3 3.07873e-02 4.36603e-03 484
2004  4 3.66336e-02 7.90517e-03 747
2004  5 3.18003e-02 1.69639e-03 65
2004  6 3.39406e-02 3.78607e-03 185
2004  7 3.94822e-02 2.39251e-03 78
2004  8 3.93575e-02 9.13656e-03 220
2004  9 5.26743e-02 4.24534e-03 192
2004 10 5.16951e-02 9.90707e-03 359
2004 11 4.08936e-02 1.41524e-02 503
2004 12 4.37342e-02 4.01010e-03 591
2005  1 3.97187e-02 4.50358e-03 551
2005  2 4.82110e-02 1.86649e-02 695
2005  3 3.43573e-02 7.13042e-03 831
2005  4 3.05812e-02 3.79607e-03 423
2005  5 3.71452e-02 6.11691e-03 244
2005  6 4.28992e-02 5.36364e-04 64
2005  7 4.90079e-02 1.93524e-03 192
2005  8 4.13639e-02 3.64155e-03 186
2005  9 3.72192e-02 7.42831e-03 460
2005 10 3.17301e-02 4.42105e-03 90
2005 11 4.65689e-02 8.17365e-03 556
2005 12 4.40794e-02 1.37525e-02 654
2006  1 3.91634e-02 8.03405e-03 669
2006  2 3.49294e-02 3.59463e-03 905
2006  3 3.64665e-02 2.91609e-03 522
2006  4 3.95407e-02 6.03857e-03 415
2006  5 3.53511e-02 8.49528e-03 428
2006  6 2.68610e-02 5.33952e-03 128
2006  7 4.55777e-02 7.03775e-03 291
2006  8 3.50852e-02 1.74606e-03 244
2006  9 4.46387e-02 5.09688e-03 447
2006 10 3.54661e-02 1.97608e-03 436
2006 11 3.80002e-02 8.42282e-03 512
2006 12 4.07463e-02 4.67971e-03 537
2007  1 4.02411e-02 8.26949e-03 841
2007  2 3.38951e-02 6.20481e-03 854
2007  3 2.82088e-02 4.41775e-03 378
2007  4 3.44348e-02 5.34120e-03 400
2007  5 3.54262e-02 1.11880e-03 152
2007  6 4.25577e-02 3.23178e-03 127
2007  7 4.37660e-02 5.96734e-03 192
2007  8 3.68752e-02 7.69800e-03 128
2007  9 4.10900e-02 7.48924e-03 200
2007 10 3.26955e-02 5.02666e-03 396
2007 11 3.74663e-02 1.34946e-02 351
2007 12 4.28327e-02 6.92755e-03 563
2008  1 4.50244e-02 7.77150e-03 946
2008  2 3.29823e-02 3.10121e-03 612
2008  3 3.40967e-02 5.15867e-03 527
2008  4 3.33309e-02 3.23693e-03 306
2008  5 3.30159e-02 3.98365e-03 436
2008  6 4.33850e-02 5.00361e-03 192
2008  7 3.45838e-02 2.03510e-03 193
2008  8 3.88849e-02 4.51924e-03 215
2008  9 4.42553e-02 9.96727e-03 250
2008 10 3.41151e-02 4.51940e-03 452
2008 11 3.83763e-02 1.05404e-02 653
2008 12 4.02925e-02 7.86704e-03 532
2009  1 3.63801e-02 6.49294e-03 745
2009  2 3.63605e-02 5.78036e-03 562
2009  3 3.64143e-02 7.20796e-03 383
2009  4 6.09697e-02 2.62052e-02 554
2009  5 6.38281e-02 1.96697e-02 316
2009  6 5.24600e-02 9.89739e-04 80
2009  7 3.53846e-02 4.37263e-03 366
2009  8 3.22294e-02 2.01396e-03 284
2009  9 4.47212e-02 5.00195e-03 439
2009 10 3.77548e-02 4.58735e-03 573
2009 11 3.63067e-02 3.27140e-03 559
2009 12 4.04873e-02 6.52475e-03 635
2010  1 4.84229e-02 1.12249e-02 582
2010  2 3.63702e-02 7.17566e-03 529
2010  3 3.19929e-02 5.38606e-03 544
2010  4 3.90174e-02 8.31499e-03 257
2010  5 3.70487e-02 7.26301e-04 212
2010  6 3.34778e-02 2.21250e-03 188
2010  7 4.97295e-02 1.83136e-03 26
2010  8 5.92948e-02 2.67640e-02 288
2010  9 4.38042e-02 4.12304e-03 275
2010 10 3.85423e-02 4.65927e-03 459
2010 11 5.44831e-02 5.33016e-03 464
2010 12 5.69023e-02 7.74955e-03 518
2011  1 3.66241e-02 2.61233e-03 805
2011  2 3.52154e-02 4.75554e-03 596
2011  3 3.81841e-02 2.49776e-02 451
2011  4 3.30911e-02 3.13494e-03 522
2011  5 3.50765e-02 6.44060e-03 135
2011  6 4.99983e-02 1.02402e-03 64
2011  7 3.87519e-02 1.23232e-03 126
2011  8 3.61213e-02 9.23397e-04 187
2011  9 3.91839e-02 1.78354e-03 320
2011 10 3.71726e-02 4.41866e-03 360
2011 11 4.32650e-02 4.43958e-03 528
2011 12 3.98154e-02 3.42095e-03 534
2012  1 3.52980e-02 6.54208e-03 826
2012  2 3.11402e-02 2.71708e-03 786
2012  3 3.33812e-02 2.30078e-03 253
2012  4 4.10281e-02 7.24528e-03 270
2012  5 3.13508e-02 2.86660e-03 156
2012  6 3.33781e-02 5.21197e-03 192
2012  7 3.90942e-02 1.09329e-03 128
2012  8 3.50216e-02 3.93489e-03 275
2012  9 4.84380e-02 1.02097e-02 318
2012 10 5.05006e-02 8.85830e-03 374
2012 11 3.82935e-02 4.51421e-03 670
2012 12 4.08443e-02 5.53328e-03 688
2013  1 4.58736e-02 9.18082e-03 667
2013  2 3.68521e-02 1.94072e-02 824
2013  3 3.92598e-02 9.31178e-03 512
2013  4 3.46227e-02 7.99975e-03 372
2013  5 3.07192e-02 4.22233e-03 256
2013  6 nan nan 0
2013  7 3.93424e-02 7.09918e-03 351
2013  8 4.43782e-02 5.85086e-03 279
2013  9 5.09213e-02 6.77415e-03 335
2013 10 4.47513e-02 5.50352e-03 352
2013 11 4.73717e-02 4.53167e-03 531
2013 12 4.58139e-02 8.24499e-03 422
2014  1 3.85919e-02 4.57808e-03 581
2014  2 3.31337e-02 4.14433e-03 743
2014  3 3.36073e-02 6.37053e-03 518
2014  4 3.30005e-02 5.50748e-03 435
2014  5 3.51677e-02 2.92209e-03 317
2014  6 3.38141e-02 3.56712e-03 256
2014  7 2.95088e-02 3.84764e-03 128
2014  8 3.18665e-02 4.05663e-03 192
2014  9 3.29184e-02 2.28106e-03 250
2014 10 4.61708e-02 6.51655e-03 566
2014 11 4.28817e-02 8.82095e-03 597
2014 12 3.69888e-02 5.36445e-03 777
2015  1 3.55346e-02 4.83008e-03 795
2015  2 3.99840e-02 7.55350e-03 568
2015  3 3.17628e-02 1.08919e-02 698
2015  4 2.90985e-02 5.00889e-03 352
2015  5 3.58097e-02 2.00893e-03 192
2015  6 2.95599e-02 6.14538e-04 64
2015  7 3.83108e-02 3.95640e-04 64
2015  8 3.61653e-02 2.12466e-03 390
2015  9 3.82052e-02 3.47558e-03 335
2015 10 3.99994e-02 4.13675e-03 640
2015 11 3.75139e-02 5.64446e-03 400
2015 12 3.63374e-02 2.96049e-03 570
2016  1 4.09801e-02 6.94833e-03 692
2016  2 3.56720e-02 3.63735e-03 661
2016  3 3.29451e-02 5.80203e-03 354
2016  4 3.43379e-02 7.04786e-03 445
2016  5 3.92370e-02 2.00960e-03 153
2016  6 3.03442e-02 2.91823e-03 256
2016  7 3.77750e-02 1.45707e-03 192
2016  8 3.32580e-02 4.47081e-03 390
2016  9 3.43321e-02 3.08095e-03 488
2016 10 4.79760e-02 1.11151e-02 224
2016 11 4.39662e-02 5.40951e-03 359
2016 12 4.09033e-02 5.66151e-03 588
2017  1 4.11091e-02 7.89061e-03 624
2017  2 3.40742e-02 4.70150e-03 725
2017  3 3.20169e-02 8.37877e-03 390
2017  4 3.69207e-02 6.90384e-03 395
2017  5 3.05642e-02 5.61357e-03 288
2017  6 3.60342e-02 8.65374e-03 323
2017  7 4.93440e-02 1.50833e-02 222
2017  8 5.89053e-02 5.18920e-03 192
2017  9 4.85082e-02 7.20359e-02 177
2017 10 4.26827e-02 5.67823e-03 350
2017 11 5.12495e-02 1.03208e-02 448
2017 12 4.25836e-02 1.09669e-02 592
2018  1 3.39663e-02 3.22624e-03 788
2018  2 3.40672e-02 1.13416e-02 553
2018  3 3.63908e-02 5.11125e-03 594
2018  4 3.02213e-02 5.19864e-03 490
2018  5 3.76017e-02 4.81193e-03 327
2018  6 4.35602e-02 3.60260e-03 243
2018  7 3.86415e-02 4.76800e-03 128
2018  8 3.78709e-02 4.55117e-03 372
2018  9 4.21282e-02 2.38659e-03 285
2018 10 5.09812e-02 6.97024e-03 626
2018 11 5.26416e-02 1.08113e-02 746
2018 12 3.89606e-02 4.26314e-03 437
2019  1 3.69596e-02 4.72943e-03 617
2019  2 4.61714e-02 3.53826e-02 499
2019  3 3.15556e-02 2.60559e-03 789
2019  4 2.96529e-02 4.99909e-03 451
2019  5 4.21166e-02 1.89978e-03 70
2019  6 3.52220e-02 8.35991e-03 243
2019  7 3.51361e-02 6.77482e-03 256
2019  8 3.17960e-02 4.03208e-03 459
2019  9 3.90363e-02 6.09366e-03 248
2019 10 3.67411e-02 5.01775e-03 441
2019 11 4.06482e-02 5.84417e-03 950
2019 12 4.24083e-02 6.60027e-03 704
2020  1 4.12093e-02 7.30006e-03 488
2020  2 3.44572e-02 6.44513e-03 443
2020  3 3.52940e-02 8.29082e-03 342
2020  4 3.21748e-02 4.67143e-03 950
2020  5 3.21494e-02 2.83905e-03 193
2020  6 3.57671e-02 4.77942e-03 523
2020  7 3.76718e-02 3.32140e-03 300
2020  8 3.09266e-02 1.31542e-03 174
2020  9 3.45312e-02 1.79112e-03 320
2020 10 3.73863e-02 3.67145e-03 302
2020 11 3.89553e-02 2.66643e-03 502
2020 12 4.18375e-02 7.45699e-03 952
2021  1 4.58473e-02 1.00361e-02 750
2021  2 4.32790e-02 1.01943e-01 618
2021  3 3.15605e-02 3.72264e-03 817
2021  4 3.23668e-02 6.58959e-03 514
2021  5 3.50288e-02 1.11164e-03 131
2021  6 7.31662e-02 4.04700e-03 36
2021  7 5.13078e-02 1.37148e-02 128
2021  8 3.23676e-02 2.81044e-03 245
2021  9 4.32421e-02 6.37701e-03 359
2021 10 4.98086e-02 5.60731e-03 552
2021 11 5.12231e-02 2.46666e-02 879
2021 12 4.03326e-02 3.40625e-03 1014
2022  1 3.78161e-02 5.82581e-03 869
2022  2 3.45916e-02 6.06450e-03 572
2022  3 2.75657e-02 3.43816e-03 472
2022  4 3.63556e-02 1.17727e-03 63
2022  5 3.11975e-02 5.10965e-03 160
2022  6 3.03755e-02 3.09984e-03 375
2022  7 3.53370e-02 3.61856e-03 254
2022  8 4.47606e-02 5.85967e-03 213
2022  9 5.38135e-02 2.03911e-02 193
2022 10 3.88084e-02 4.67678e-03 430
2022 11 4.02607e-02 3.33085e-03 708
2022 12 4.04064e-02 5.45031e-03 818
2023  1 4.02082e-02 1.77952e-02 710
2023  2 3.70909e-02 2.29096e-02 504
2023  3 3.73869e-02 7.40126e-03 929
2023  4 3.65406e-02 2.99322e-03 606
2023  5 3.99474e-02 4.50646e-03 502
2023  6 3.74145e-02 9.22600e-03 248
2023  7 nan nan 0
2023  8 4.10377e-02 1.47897e-02 393
2023  9 3.71100e-02 4.10863e-03 478
2023 10 3.58576e-02 6.84542e-03 469
2023 11 3.88215e-02 4.99502e-03 559
2023 12 3.81885e-02 5.90676e-03 767
2024  1 3.62287e-02 6.19610e-03 544
2024  2 4.03798e-02 7.64208e-03 692
2024  3 3.33948e-02 6.12284e-03 500
2024  4 3.17375e-02 9.84172e-04 64