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 3.61316e-02 2.42518e-03 342
2002  8 3.63948e-02 1.67831e-03 382
2002  9 3.96023e-02 3.31988e-03 263
2002 10 4.03787e-02 4.07798e-03 1054
2002 11 4.18641e-02 5.99085e-03 768
2002 12 4.68008e-02 5.14153e-03 767
2003  1 5.83913e-02 7.59486e-03 618
2003  2 5.86830e-02 1.32806e-02 959
2003  3 4.46741e-02 1.14721e-02 783
2003  4 3.94039e-02 2.73536e-03 510
2003  5 3.72321e-02 2.63250e-03 704
2003  6 3.59599e-02 1.26728e-03 384
2003  7 3.52862e-02 2.24063e-03 283
2003  8 3.85432e-02 3.82664e-03 451
2003  9 4.09376e-02 1.04854e-02 622
2003 10 5.58162e-02 1.28745e-02 654
2003 11 6.55981e-02 1.34980e-02 533
2003 12 6.10588e-02 1.55723e-02 449
2004  1 4.61659e-02 6.53272e-03 709
2004  2 4.40599e-02 3.99752e-03 802
2004  3 4.04818e-02 4.29167e-03 731
2004  4 4.53796e-02 1.76455e-02 696
2004  5 3.57607e-02 2.97248e-03 300
2004  6 3.50028e-02 3.84527e-03 355
2004  7 3.36694e-02 2.61695e-03 366
2004  8 4.04089e-02 4.65368e-03 628
2004  9 3.99904e-02 2.75694e-03 356
2004 10 3.92723e-02 2.69385e-03 755
2004 11 4.24621e-02 4.89994e-03 792
2004 12 4.96655e-02 1.01980e-02 727
2005  1 4.89635e-02 5.33865e-03 832
2005  2 4.49009e-02 5.97056e-03 642
2005  3 4.10207e-02 4.19501e-03 599
2005  4 3.69727e-02 3.13357e-03 572
2005  5 3.84877e-02 2.64593e-03 463
2005  6 3.91614e-02 4.29959e-03 306
2005  7 3.85902e-02 3.83247e-03 367
2005  8 3.83068e-02 3.26525e-03 599
2005  9 4.22202e-02 1.14502e-02 662
2005 10 6.91476e-02 6.79638e-02 370
2005 11 6.49001e-02 3.49282e-02 759
2005 12 7.65037e-02 4.00640e-02 779
2006  1 4.87475e-02 5.46815e-03 883
2006  2 5.70200e-02 2.11723e-02 399
2006  3 3.95434e-02 1.40254e-03 640
2006  4 4.01979e-02 2.08797e-02 749
2006  5 3.81760e-02 4.56435e-03 441
2006  6 3.57106e-02 1.11575e-03 530
2006  7 3.72759e-02 3.11212e-03 448
2006  8 3.77955e-02 1.89870e-03 268
2006  9 4.27333e-02 8.76474e-03 378
2006 10 4.15477e-02 2.32442e-03 516
2006 11 4.63847e-02 5.49012e-03 498
2006 12 4.48687e-02 2.74533e-03 256
2007  1 4.25925e-02 5.95034e-03 482
2007  2 4.58802e-02 3.92580e-03 454
2007  3 4.05216e-02 1.90093e-03 500
2007  4 3.64672e-02 3.23033e-03 524
2007  5 3.81646e-02 3.65553e-03 649
2007  6 3.89350e-02 3.66866e-03 403
2007  7 3.69934e-02 1.02498e-02 454
2007  8 3.78166e-02 1.96047e-03 397
2007  9 4.16954e-02 3.06337e-03 392
2007 10 4.27809e-02 4.38083e-03 325
2007 11 4.84366e-02 3.72643e-03 749
2007 12 4.28307e-02 2.36420e-03 691
2008  1 4.70272e-02 4.72236e-03 795
2008  2 4.56580e-02 3.20800e-03 814
2008  3 4.29007e-02 1.70926e-02 679
2008  4 3.62999e-02 2.80573e-03 691
2008  5 3.72976e-02 1.03957e-02 576
2008  6 3.33600e-02 2.15224e-03 370
2008  7 3.52790e-02 1.40284e-03 448
2008  8 3.74450e-02 2.92095e-03 320
2008  9 4.01821e-02 4.23235e-03 291
2008 10 4.06236e-02 1.61881e-02 475
2008 11 4.35692e-02 4.04875e-03 921
2008 12 4.91873e-02 7.23331e-03 675
2009  1 5.48023e-02 1.03028e-02 688
2009  2 4.98148e-02 2.89721e-02 634
2009  3 4.03457e-02 6.94446e-03 516
2009  4 3.72421e-02 3.12332e-03 409
2009  5 3.58081e-02 1.70941e-03 689
2009  6 3.63759e-02 2.55995e-03 315
2009  7 3.51056e-02 2.22485e-03 320
2009  8 3.67743e-02 4.75616e-03 311
2009  9 3.75854e-02 1.47819e-02 711
2009 10 4.82184e-02 7.26539e-02 672
2009 11 5.39485e-02 3.48578e-02 532
2009 12 4.83458e-02 7.11310e-03 694
2010  1 4.97240e-02 8.44525e-03 574
2010  2 5.10077e-02 4.72589e-03 363
2010  3 5.03386e-02 4.80731e-03 704
2010  4 3.77590e-02 2.48555e-03 405
2010  5 3.77072e-02 9.36844e-03 586
2010  6 4.07203e-02 1.09187e-02 522
2010  7 4.15936e-02 9.77931e-03 342
2010  8 3.37649e-02 3.23137e-03 376
2010  9 4.08000e-02 1.59969e-02 348
2010 10 4.15287e-02 1.75409e-02 783
2010 11 4.19088e-02 1.69134e-03 546
2010 12 6.44335e-02 1.24717e-01 681
2011  1 5.74611e-02 4.80085e-03 858
2011  2 5.41535e-02 5.64109e-03 1076
2011  3 4.27238e-02 1.06142e-02 769
2011  4 3.79971e-02 2.23848e-03 760
2011  5 3.83718e-02 3.54078e-03 617
2011  6 3.68732e-02 2.60519e-03 514
2011  7 3.97281e-02 8.79024e-03 484
2011  8 5.34665e-02 5.03920e-02 340
2011  9 4.22143e-02 4.48553e-03 533
2011 10 4.30249e-02 4.68768e-03 386
2011 11 4.76232e-02 2.34155e-02 879
2011 12 4.92571e-02 6.44728e-03 687
2012  1 4.54203e-02 7.28465e-03 770
2012  2 3.91232e-02 2.41562e-03 354
2012  3 3.59016e-02 4.67443e-03 553
2012  4 3.64066e-02 2.21212e-03 518
2012  5 3.63208e-02 2.93783e-03 384
2012  6 3.56383e-02 2.25623e-03 256
2012  7 4.02166e-02 3.41384e-03 217
2012  8 4.43302e-02 5.72314e-03 533
2012  9 4.39016e-02 8.31913e-03 384
2012 10 4.15923e-02 7.48668e-03 496
2012 11 4.60202e-02 8.41230e-03 832
2012 12 4.38022e-02 1.01339e-02 550
2013  1 4.24385e-02 2.44159e-02 660
2013  2 3.87771e-02 4.46894e-03 515
2013  3 3.95823e-02 4.81664e-03 496
2013  4 4.16781e-02 3.33113e-03 643
2013  5 3.52879e-02 3.07460e-03 553
2013  6 3.96550e-02 3.53171e-03 262
2013  7 3.88637e-02 4.33226e-03 342
2013  8 4.31975e-02 4.74997e-03 238
2013  9 4.74644e-02 5.93613e-03 404
2013 10 4.08528e-02 2.74161e-03 897
2013 11 4.30762e-02 3.38231e-03 698
2013 12 4.53611e-02 3.42257e-03 494
2014  1 4.54510e-02 3.55672e-03 608
2014  2 4.08073e-02 3.30446e-03 793
2014  3 4.03050e-02 3.96162e-03 756
2014  4 3.73830e-02 2.60973e-03 389
2014  5 3.70065e-02 1.65078e-02 495
2014  6 3.51766e-02 3.74234e-03 256
2014  7 4.52885e-02 2.79661e-02 416
2014  8 4.31011e-02 4.66483e-03 665
2014  9 4.69922e-02 2.30884e-03 255
2014 10 4.63097e-02 3.57474e-03 698
2014 11 4.72942e-02 4.53458e-03 968
2014 12 4.99007e-02 5.36326e-03 586
2015  1 4.42777e-02 4.01188e-03 731
2015  2 4.78362e-02 4.64504e-03 442
2015  3 3.86825e-02 4.15258e-03 960
2015  4 3.81753e-02 2.92185e-03 469
2015  5 3.59915e-02 2.99668e-03 637
2015  6 3.46983e-02 3.61417e-03 633
2015  7 4.25400e-02 7.27965e-03 170
2015  8 4.91060e-02 5.24885e-03 368
2015  9 4.13373e-02 3.79067e-03 357
2015 10 4.32497e-02 1.39331e-02 350
2015 11 5.22676e-02 9.53322e-03 695
2015 12 5.05643e-02 6.51552e-03 387
2016  1 4.86033e-02 9.58771e-03 183
2016  2 4.78327e-02 2.74532e-03 544
2016  3 4.18537e-02 3.46620e-03 503
2016  4 4.20028e-02 8.74148e-03 645
2016  5 4.47737e-02 6.50524e-03 784
2016  6 4.46483e-02 8.58079e-03 451
2016  7 4.16754e-02 5.10746e-03 512
2016  8 4.09153e-02 1.11154e-02 307
2016  9 4.96529e-02 1.14987e-02 533
2016 10 4.47484e-02 6.34678e-03 578
2016 11 4.91975e-02 8.09672e-03 812
2016 12 5.37246e-02 7.32894e-03 639
2017  1 5.71261e-02 9.99762e-03 891
2017  2 4.65845e-02 4.98702e-03 1081
2017  3 3.82879e-02 3.76764e-03 601
2017  4 4.03719e-02 1.86857e-02 477
2017  5 3.58764e-02 2.22611e-03 830
2017  6 3.49698e-02 1.24596e-03 384
2017  7 3.68295e-02 1.71455e-03 549
2017  8 3.51843e-02 3.75731e-03 267
2017  9 4.22500e-02 4.76373e-03 300
2017 10 6.82150e-02 5.60870e-02 240
2017 11 4.30354e-02 1.82153e-03 990
2017 12 4.62059e-02 6.39295e-03 1088
2018  1 5.61794e-02 5.10451e-03 388
2018  2 5.00833e-02 1.50219e-02 824
2018  3 4.03816e-02 2.78134e-03 762
2018  4 3.94884e-02 5.09012e-03 742
2018  5 4.50516e-02 3.56785e-03 128
2018  6 3.60118e-02 3.64703e-03 408
2018  7 3.58191e-02 2.45031e-03 554
2018  8 4.35411e-02 5.56737e-03 384
2018  9 5.02755e-02 1.28737e-02 416
2018 10 5.79803e-02 7.88552e-03 689
2018 11 4.95602e-02 1.07566e-02 688
2018 12 5.40676e-02 9.84152e-03 820
2019  1 4.85408e-02 3.45386e-02 649
2019  2 4.86534e-02 3.64709e-02 1120
2019  3 3.76954e-02 3.52717e-03 1015
2019  4 3.62256e-02 2.40313e-03 688
2019  5 3.52909e-02 2.48302e-03 689
2019  6 3.71347e-02 8.85338e-03 759
2019  7 3.66960e-02 3.17682e-03 404
2019  8 3.88784e-02 2.66542e-03 357
2019  9 3.95834e-02 2.89358e-03 386
2019 10 4.04848e-02 3.47797e-03 514
2019 11 4.24066e-02 3.53148e-03 670
2019 12 4.40084e-02 3.79734e-03 598
2020  1 4.92019e-02 5.22899e-03 740
2020  2 5.05105e-02 8.06703e-03 487
2020  3 4.26634e-02 6.44621e-03 1034
2020  4 3.75476e-02 4.85969e-03 389
2020  5 3.91643e-02 3.13672e-03 594
2020  6 3.69926e-02 2.19740e-02 435
2020  7 3.77938e-02 8.86966e-03 516
2020  8 3.63029e-02 2.59736e-03 795
2020  9 3.80745e-02 1.92034e-03 491
2020 10 4.08368e-02 2.23525e-02 299
2020 11 4.49486e-02 5.67809e-03 311
2020 12 4.94189e-02 4.79673e-03 908
2021  1 4.72025e-02 4.54963e-03 640
2021  2 4.81026e-02 3.29720e-02 774
2021  3 3.96579e-02 9.92373e-03 715
2021  4 3.56844e-02 1.94901e-03 576
2021  5 3.37203e-02 3.40011e-03 753
2021  6 3.55209e-02 1.27663e-03 91
2021  7 3.64920e-02 1.60440e-03 424
2021  8 3.81894e-02 1.07829e-02 434
2021  9 4.39169e-02 3.11068e-03 700
2021 10 4.88991e-02 6.26699e-03 329
2021 11 4.54714e-02 5.29625e-03 493
2021 12 4.42652e-02 5.86492e-03 1019
2022  1 4.42418e-02 4.77721e-03 699
2022  2 4.59006e-02 1.75857e-02 620
2022  3 3.68077e-02 2.13820e-03 491
2022  4 3.42793e-02 4.34706e-03 174
2022  5 3.49763e-02 2.60471e-03 448
2022  6 3.43873e-02 2.79724e-03 157
2022  7 3.78757e-02 3.35515e-03 346
2022  8 4.10111e-02 5.45088e-03 434
2022  9 6.90807e-02 2.29022e-02 659
2022 10 5.31071e-02 2.27612e-02 702
2022 11 3.98169e-02 3.90372e-03 626
2022 12 4.38252e-02 6.77236e-03 819
2023  1 4.95739e-02 7.95277e-03 965
2023  2 5.24777e-02 8.08756e-02 808
2023  3 3.59451e-02 6.07661e-03 790
2023  4 3.38781e-02 2.92417e-03 507
2023  5 3.70895e-02 8.62852e-03 574
2023  6 3.70115e-02 7.44280e-03 643
2023  7 3.65714e-02 3.64500e-03 420
2023  8 4.56911e-02 1.95591e-02 406
2023  9 5.28974e-02 2.62862e-02 606
2023 10 5.54459e-02 3.13749e-03 671
2023 11 4.37064e-02 7.58339e-03 297
2023 12 4.55115e-02 5.44046e-03 384
2024  1 4.28279e-02 3.56857e-03 308
2024  2 4.76861e-02 5.14941e-03 732
2024  3 4.15517e-02 3.82860e-03 588
2024  4 3.19500e-02 4.87340e-04 8