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 3.90059e-02 7.66169e-03 512
2002  8 3.60700e-02 1.67242e-03 277
2002  9 3.69932e-02 4.26300e-03 472
2002 10 3.89181e-02 1.58987e-02 752
2002 11 5.36451e-02 5.64895e-02 749
2002 12 4.65831e-02 8.62892e-03 744
2003  1 5.04323e-02 2.82621e-03 780
2003  2 5.37356e-02 5.54611e-03 807
2003  3 5.22132e-02 1.44993e-02 728
2003  4 3.93427e-02 2.01100e-03 356
2003  5 3.83234e-02 2.19057e-03 376
2003  6 3.93833e-02 1.55541e-03 192
2003  7 3.68425e-02 5.60919e-03 240
2003  8 4.28336e-02 3.23969e-03 321
2003  9 4.22096e-02 6.21911e-03 395
2003 10 5.35643e-02 3.59627e-02 560
2003 11 4.89317e-02 7.78420e-03 504
2003 12 5.36030e-02 7.76648e-03 466
2004  1 4.67058e-02 4.55387e-03 554
2004  2 4.47708e-02 1.10200e-02 719
2004  3 3.78653e-02 2.50486e-03 646
2004  4 3.99250e-02 2.50121e-03 432
2004  5 4.38575e-02 2.65149e-02 320
2004  6 3.51168e-02 3.04519e-03 517
2004  7 3.52154e-02 4.85889e-03 429
2004  8 3.75423e-02 4.22754e-03 610
2004  9 3.82222e-02 2.24674e-03 144
2004 10 3.86320e-02 2.26523e-03 531
2004 11 4.27730e-02 5.36886e-03 608
2004 12 4.57135e-02 9.55583e-03 386
2005  1 4.80583e-02 5.76893e-03 796
2005  2 4.41985e-02 5.15296e-03 666
2005  3 4.15586e-02 4.13394e-03 565
2005  4 3.94707e-02 5.79646e-03 549
2005  5 3.67250e-02 2.43905e-03 384
2005  6 3.71962e-02 2.11725e-03 320
2005  7 3.57305e-02 4.18405e-03 256
2005  8 5.51287e-02 3.08083e-02 614
2005  9 5.63335e-02 2.19754e-02 514
2005 10 5.81050e-02 3.04984e-02 558
2005 11 5.17485e-02 1.70259e-02 679
2005 12 9.19454e-02 1.22783e-02 1007
2006  1 4.98023e-02 7.86582e-03 774
2006  2 5.91354e-02 3.01146e-02 792
2006  3 4.57692e-02 1.29594e-02 785
2006  4 3.64317e-02 2.54972e-03 523
2006  5 3.71375e-02 4.55966e-03 576
2006  6 3.57786e-02 4.58540e-03 532
2006  7 3.77634e-02 3.84237e-03 317
2006  8 3.59592e-02 3.84385e-03 314
2006  9 4.56723e-02 1.24027e-02 423
2006 10 6.20353e-02 1.85048e-01 487
2006 11 4.63389e-02 6.00810e-03 422
2006 12 4.48709e-02 3.25416e-03 251
2007  1 4.19354e-02 5.26255e-03 477
2007  2 4.58409e-02 7.24124e-03 469
2007  3 4.64418e-02 2.38197e-02 397
2007  4 3.86480e-02 2.03169e-03 350
2007  5 3.51318e-02 3.09387e-03 340
2007  6 3.70314e-02 2.74383e-03 363
2007  7 3.79813e-02 8.20203e-03 396
2007  8 4.16709e-02 8.44481e-03 299
2007  9 3.93317e-02 2.45993e-03 445
2007 10 3.96490e-02 2.74982e-03 429
2007 11 4.58443e-02 5.81038e-03 605
2007 12 4.60293e-02 1.24293e-02 546
2008  1 5.12555e-02 2.41329e-02 821
2008  2 4.45149e-02 5.09524e-03 470
2008  3 4.10490e-02 2.86083e-03 420
2008  4 4.28070e-02 5.15989e-02 460
2008  5 3.64612e-02 3.73933e-03 500
2008  6 3.69310e-02 5.01279e-03 429
2008  7 3.57850e-02 2.23658e-03 253
2008  8 3.66545e-02 3.29805e-03 334
2008  9 3.90933e-02 1.51777e-03 313
2008 10 4.07149e-02 7.35747e-03 437
2008 11 4.39912e-02 4.16054e-03 661
2008 12 4.66393e-02 4.11555e-03 600
2009  1 5.41586e-02 5.08115e-03 652
2009  2 5.44782e-02 4.25531e-02 432
2009  3 4.15591e-02 4.76757e-03 631
2009  4 3.74710e-02 2.75968e-03 397
2009  5 3.52716e-02 1.32599e-03 511
2009  6 3.75891e-02 2.67556e-03 256
2009  7 3.66262e-02 4.23513e-03 313
2009  8 3.90756e-02 3.28328e-03 307
2009  9 3.69796e-02 4.09162e-03 353
2009 10 3.93221e-02 3.92866e-03 678
2009 11 4.33977e-02 6.12149e-03 613
2009 12 4.49228e-02 3.74252e-03 552
2010  1 5.01646e-02 6.45177e-03 328
2010  2 5.36702e-02 8.93280e-03 652
2010  3 6.03729e-02 1.30803e-02 538
2010  4 4.44181e-02 3.22512e-02 552
2010  5 3.67326e-02 4.61570e-03 481
2010  6 3.77367e-02 4.16214e-03 594
2010  7 4.04791e-02 1.20635e-02 516
2010  8 4.24459e-02 1.25888e-02 283
2010  9 4.68981e-02 2.81472e-02 257
2010 10 4.06130e-02 4.58002e-03 787
2010 11 4.04503e-02 3.79327e-03 768
2010 12 5.28797e-02 8.11411e-03 948
2011  1 5.39158e-02 5.64903e-03 627
2011  2 5.21936e-02 5.17640e-03 1063
2011  3 4.57470e-02 1.08983e-02 793
2011  4 3.80975e-02 2.37737e-03 552
2011  5 3.89817e-02 5.36255e-03 447
2011  6 3.44709e-02 1.30602e-03 440
2011  7 4.07924e-02 2.12724e-03 423
2011  8 3.35771e-02 5.54911e-03 70
2011  9 4.20300e-02 3.00806e-03 573
2011 10 4.84222e-02 1.03324e-02 360
2011 11 4.30112e-02 4.22555e-03 837
2011 12 4.89614e-02 6.60586e-03 891
2012  1 4.52813e-02 7.97954e-03 593
2012  2 3.86984e-02 2.62773e-03 427
2012  3 3.60789e-02 7.06990e-03 456
2012  4 3.97132e-02 3.91189e-03 514
2012  5 3.94849e-02 8.96016e-03 577
2012  6 4.51040e-02 1.49734e-02 298
2012  7 4.06243e-02 6.71725e-03 255
2012  8 4.09711e-02 2.60815e-03 381
2012  9 4.60933e-02 4.31150e-03 658
2012 10 4.77227e-02 3.38159e-02 484
2012 11 4.20752e-02 3.46317e-03 798
2012 12 4.10133e-02 5.17061e-03 271
2013  1 4.17349e-02 3.10326e-03 347
2013  2 3.98130e-02 4.75832e-03 661
2013  3 3.90866e-02 2.05969e-03 714
2013  4 3.88983e-02 3.98484e-03 232
2013  5 3.50759e-02 2.37985e-03 432
2013  6 3.73883e-02 2.32864e-03 171
2013  7 3.73241e-02 4.22220e-03 432
2013  8 4.24944e-02 6.29944e-03 195
2013  9 4.89646e-02 3.96659e-03 350
2013 10 3.99099e-02 2.95596e-03 615
2013 11 6.42742e-02 8.37947e-02 213
2013 12 4.53759e-02 2.24926e-02 381
2014  1 6.02458e-02 1.37547e-01 476
2014  2 4.06689e-02 6.18275e-03 685
2014  3 3.96016e-02 4.61965e-03 856
2014  4 4.14647e-02 1.23793e-02 488
2014  5 3.48649e-02 6.29118e-03 271
2014  6 3.83242e-02 8.92525e-03 541
2014  7 3.62123e-02 2.55405e-03 325
2014  8 4.67063e-02 2.69797e-02 489
2014  9 6.45388e-02 3.56591e-02 98
2014 10 4.53202e-02 1.14645e-02 697
2014 11 4.61355e-02 3.97223e-03 722
2014 12 4.82205e-02 5.42140e-03 664
2015  1 4.30968e-02 4.82309e-03 624
2015  2 4.85760e-02 3.63718e-02 682
2015  3 3.95967e-02 4.35153e-03 855
2015  4 3.68327e-02 3.85303e-03 208
2015  5 3.50242e-02 2.57686e-03 496
2015  6 3.37471e-02 2.29549e-03 488
2015  7 4.16710e-02 6.50132e-03 462
2015  8 4.89802e-02 1.38710e-02 464
2015  9 4.57524e-02 4.02156e-03 424
2015 10 4.43612e-02 6.01328e-03 769
2015 11 4.77048e-02 1.31403e-02 496
2015 12 5.57268e-02 8.95600e-03 456
2016  1 5.10797e-02 4.06497e-03 128
2016  2 4.85803e-02 5.87152e-03 519
2016  3 4.11945e-02 3.04446e-03 513
2016  4 3.72601e-02 1.68500e-03 449
2016  5 3.81616e-02 5.53274e-03 510
2016  6 4.47597e-02 1.32838e-02 442
2016  7 3.70419e-02 4.01724e-03 425
2016  8 3.72984e-02 1.25362e-03 256
2016  9 4.68382e-02 2.06114e-02 398
2016 10 4.44552e-02 9.41027e-03 442
2016 11 4.86362e-02 1.00752e-02 708
2016 12 4.76573e-02 4.55953e-03 272
2017  1 4.95738e-02 1.44112e-02 443
2017  2 4.97801e-02 2.53837e-02 846
2017  3 3.82262e-02 2.45397e-03 390
2017  4 3.95881e-02 2.51342e-03 371
2017  5 3.40278e-02 2.06414e-03 489
2017  6 3.55531e-02 2.55840e-03 397
2017  7 3.92585e-02 2.69555e-03 287
2017  8 4.28499e-02 5.31222e-03 477
2017  9 4.69138e-02 6.15040e-03 480
2017 10 6.05372e-02 4.84262e-02 293
2017 11 5.45368e-02 1.34506e-02 956
2017 12 4.59173e-02 7.25596e-03 1045
2018  1 5.25558e-02 5.53453e-03 588
2018  2 4.49416e-02 6.03507e-03 819
2018  3 4.75509e-02 2.00006e-02 623
2018  4 3.49644e-02 1.55462e-03 641
2018  5 4.08548e-02 7.86894e-03 73
2018  6 3.68803e-02 1.73255e-03 137
2018  7 3.64592e-02 2.39671e-03 517
2018  8 3.52966e-02 2.00509e-03 323
2018  9 5.15028e-02 7.59881e-03 251
2018 10 5.76259e-02 8.92595e-03 609
2018 11 5.05065e-02 7.35640e-03 565
2018 12 5.06312e-02 5.20801e-03 622
2019  1 4.79817e-02 5.30541e-03 503
2019  2 4.14855e-02 4.25063e-03 685
2019  3 3.85542e-02 3.55269e-03 581
2019  4 3.75856e-02 7.50928e-03 582
2019  5 4.85413e-02 2.02036e-02 412
2019  6 3.74943e-02 8.29010e-03 768
2019  7 3.47392e-02 3.42885e-03 342
2019  8 3.74926e-02 3.45682e-03 460
2019  9 4.19152e-02 9.15556e-03 488
2019 10 4.34845e-02 1.66153e-02 509
2019 11 4.11329e-02 2.97575e-03 620
2019 12 4.75777e-02 2.23090e-02 512
2020  1 4.60146e-02 2.50446e-03 808
2020  2 4.55137e-02 4.93183e-03 480
2020  3 4.15982e-02 6.35365e-03 674
2020  4 3.81245e-02 3.12760e-03 384
2020  5 3.51609e-02 3.14363e-03 425
2020  6 3.63395e-02 3.56765e-03 238
2020  7 4.02013e-02 1.00798e-02 452
2020  8 3.53802e-02 2.57612e-03 658
2020  9 3.95679e-02 4.24628e-03 355
2020 10 3.87063e-02 2.43108e-03 331
2020 11 4.30891e-02 3.99496e-03 384
2020 12 4.80196e-02 4.03246e-03 480
2021  1 4.75363e-02 6.07042e-03 703
2021  2 4.90091e-02 7.09439e-03 612
2021  3 3.64488e-02 2.58070e-03 779
2021  4 3.75236e-02 4.85639e-03 424
2021  5 3.46153e-02 2.30684e-03 614
2021  6 3.53492e-02 1.93986e-03 319
2021  7 3.65325e-02 3.47270e-03 604
2021  8 4.08935e-02 1.00375e-02 291
2021  9 4.29347e-02 6.16640e-03 530
2021 10 5.43460e-02 2.31651e-02 422
2021 11 5.11193e-02 1.03736e-02 637
2021 12 4.20539e-02 3.43637e-03 805
2022  1 4.54422e-02 6.83537e-03 640
2022  2 4.38920e-02 1.47681e-02 665
2022  3 3.99579e-02 5.11884e-03 442
2022  4 3.59219e-02 3.99401e-04 64
2022  5 3.44966e-02 2.23181e-03 561
2022  6 3.46862e-02 5.05928e-03 362
2022  7 3.97490e-02 3.98879e-03 196
2022  8 3.97379e-02 3.79078e-03 448
2022  9 6.95876e-02 2.58458e-02 664
2022 10 4.66510e-02 7.64754e-03 894
2022 11 4.15133e-02 7.38852e-03 586
2022 12 4.87382e-02 2.71399e-02 453
2023  1 4.59654e-02 5.94349e-03 895
2023  2 4.30733e-02 1.50218e-02 742
2023  3 4.07931e-02 1.85495e-02 664
2023  4 3.35140e-02 2.81916e-03 444
2023  5 3.87185e-02 2.91404e-02 584
2023  6 5.01078e-02 2.58494e-02 308
2023  7 3.95193e-02 5.64917e-03 238
2023  8 3.92146e-02 7.17069e-03 369
2023  9 5.09328e-02 6.26736e-03 384
2023 10 5.30815e-02 6.19875e-03 459
2023 11 4.17179e-02 4.96106e-03 570
2023 12 4.56680e-02 4.12672e-03 259
2024  1 4.87213e-02 5.73527e-02 282
2024  2 4.68980e-02 5.96321e-03 635
2024  3 4.03827e-02 2.75907e-03 566
2024  4 4.16538e-02 9.80671e-04 52