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 3.84721e-02 5.96270e-03 319
2002  8 4.01752e-02 6.76581e-03 298
2002  9 4.12802e-02 4.75560e-03 454
2002 10 4.21342e-02 5.98419e-03 824
2002 11 4.73649e-02 3.06586e-02 450
2002 12 5.00028e-02 1.74162e-02 355
2003  1 5.22236e-02 3.75669e-03 704
2003  2 5.44283e-02 5.37394e-03 637
2003  3 5.78178e-02 1.23689e-02 563
2003  4 4.74985e-02 6.60990e-03 408
2003  5 4.24670e-02 8.38688e-03 448
2003  6 3.98203e-02 2.11436e-03 128
2003  7 4.36584e-02 6.52221e-03 185
2003  8 4.59806e-02 4.47713e-03 268
2003  9 5.27161e-02 8.57688e-03 472
2003 10 5.22014e-02 1.18459e-02 868
2003 11 5.00694e-02 7.55137e-03 493
2003 12 5.28499e-02 5.39781e-03 345
2004  1 6.13209e-02 5.56528e-02 478
2004  2 4.77430e-02 4.32796e-03 544
2004  3 4.44345e-02 5.36022e-03 423
2004  4 4.60307e-02 5.59357e-03 587
2004  5 3.94096e-02 6.11261e-03 293
2004  6 4.47458e-02 8.00524e-03 705
2004  7 4.13591e-02 4.73840e-03 514
2004  8 4.90396e-02 1.34555e-02 333
2004  9 4.67816e-02 7.33920e-03 358
2004 10 4.33218e-02 4.88858e-03 647
2004 11 4.85302e-02 5.81646e-03 278
2004 12 5.05059e-02 6.03542e-03 408
2005  1 5.25339e-02 2.46405e-02 644
2005  2 4.73559e-02 6.21044e-03 363
2005  3 4.71127e-02 6.73263e-03 568
2005  4 4.11564e-02 2.88907e-03 422
2005  5 4.66350e-02 7.52496e-03 457
2005  6 3.86051e-02 4.33088e-03 117
2005  7 4.20678e-02 4.34470e-03 460
2005  8 4.72650e-02 9.04567e-03 280
2005  9 4.86415e-02 9.53780e-03 496
2005 10 5.87738e-02 4.57619e-02 321
2005 11 6.16259e-02 8.91058e-02 549
2005 12 6.80808e-02 2.26861e-02 752
2006  1 6.80051e-02 2.01383e-02 544
2006  2 5.21059e-02 8.53710e-03 712
2006  3 4.58682e-02 5.30053e-03 674
2006  4 4.09807e-02 4.68264e-03 643
2006  5 4.21575e-02 3.65924e-03 428
2006  6 4.50602e-02 6.81224e-03 259
2006  7 4.45630e-02 9.11355e-03 357
2006  8 5.11691e-02 7.50407e-03 265
2006  9 5.13961e-02 7.85798e-03 514
2006 10 4.42715e-02 1.26375e-02 495
2006 11 4.43381e-02 3.93141e-03 485
2006 12 4.96344e-02 1.64007e-02 215
2007  1 4.64539e-02 7.55078e-03 412
2007  2 5.13575e-02 7.46121e-03 471
2007  3 4.45465e-02 4.80032e-03 333
2007  4 4.40771e-02 9.54985e-03 524
2007  5 4.25406e-02 4.18126e-03 303
2007  6 4.08377e-02 6.83514e-03 478
2007  7 4.60072e-02 8.70262e-03 474
2007  8 4.30847e-02 4.42024e-03 373
2007  9 4.65943e-02 1.69448e-02 212
2007 10 5.14803e-02 6.66622e-03 147
2007 11 4.82486e-02 8.58622e-03 807
2007 12 5.22555e-02 4.97655e-02 519
2008  1 4.96036e-02 9.09082e-03 394
2008  2 4.50244e-02 5.34569e-03 614
2008  3 4.91228e-02 9.35829e-03 158
2008  4 4.14777e-02 5.37688e-03 278
2008  5 4.39203e-02 4.95808e-03 291
2008  6 4.42322e-02 5.62402e-02 317
2008  7 4.14349e-02 4.75015e-03 384
2008  8 4.29530e-02 7.20377e-03 532
2008  9 4.54473e-02 7.73105e-03 334
2008 10 5.10224e-02 3.33104e-02 490
2008 11 4.43433e-02 3.31211e-03 582
2008 12 4.93214e-02 1.04746e-02 290
2009  1 5.14834e-02 7.61107e-03 688
2009  2 5.00374e-02 1.81479e-02 642
2009  3 4.54556e-02 5.30961e-03 414
2009  4 4.74328e-02 1.04184e-02 299
2009  5 4.14012e-02 5.48543e-03 331
2009  6 4.51394e-02 4.33240e-03 320
2009  7 3.96667e-02 2.90581e-03 78
2009  8 3.73652e-02 1.94963e-03 299
2009  9 4.42109e-02 4.08164e-03 329
2009 10 4.70241e-02 6.52434e-03 673
2009 11 4.44538e-02 7.65741e-03 576
2009 12 4.96579e-02 7.55764e-03 359
2010  1 5.54371e-02 8.69359e-03 426
2010  2 5.89330e-02 3.71055e-02 391
2010  3 5.80818e-02 1.38869e-02 609
2010  4 4.69797e-02 6.19237e-03 561
2010  5 4.43881e-02 6.36112e-03 336
2010  6 4.63217e-02 4.74013e-02 621
2010  7 4.31387e-02 7.89260e-03 450
2010  8 4.90023e-02 8.03658e-03 345
2010  9 5.74228e-02 4.01593e-02 114
2010 10 4.55222e-02 8.91000e-03 640
2010 11 4.61679e-02 7.20366e-03 717
2010 12 5.41236e-02 4.72232e-03 709
2011  1 5.98097e-02 1.38294e-02 472
2011  2 5.02508e-02 6.38188e-03 524
2011  3 4.42216e-02 7.90808e-03 1001
2011  4 4.93433e-02 7.93769e-03 515
2011  5 4.40853e-02 6.66388e-03 619
2011  6 4.57697e-02 9.09733e-03 370
2011  7 4.55441e-02 9.71515e-03 440
2011  8 4.00234e-02 1.73954e-03 128
2011  9 4.69612e-02 9.58995e-03 510
2011 10 6.57125e-02 1.98539e-02 247
2011 11 5.22840e-02 1.15272e-02 476
2011 12 4.93564e-02 6.60160e-03 642
2012  1 5.28723e-02 9.35934e-03 537
2012  2 4.30102e-02 6.86383e-03 668
2012  3 3.87080e-02 2.63029e-03 250
2012  4 4.30951e-02 5.78497e-03 406
2012  5 4.48279e-02 6.98809e-03 308
2012  6 4.55815e-02 7.11799e-03 260
2012  7 4.44299e-02 8.27570e-03 374
2012  8 4.56931e-02 9.14040e-03 288
2012  9 5.11282e-02 8.31913e-03 504
2012 10 4.97576e-02 1.42235e-02 727
2012 11 4.74112e-02 5.18288e-03 768
2012 12 4.50807e-02 5.85348e-03 218
2013  1 4.25438e-02 3.17086e-03 448
2013  2 4.31448e-02 3.92498e-03 583
2013  3 4.37662e-02 4.28515e-03 468
2013  4 4.53704e-02 4.55007e-03 135
2013  5 4.16424e-02 5.14997e-03 453
2013  6 4.02163e-02 1.95203e-03 86
2013  7 4.13304e-02 8.75241e-03 296
2013  8 4.24521e-02 5.50301e-03 219
2013  9 5.59235e-02 1.26120e-02 293
2013 10 4.78610e-02 1.50644e-02 708
2013 11 4.80682e-02 6.27070e-03 264
2013 12 4.99473e-02 9.36788e-03 243
2014  1 4.67345e-02 2.08875e-02 525
2014  2 4.35731e-02 4.49929e-03 616
2014  3 5.19915e-02 2.26158e-02 639
2014  4 4.10031e-02 4.09279e-03 588
2014  5 3.71331e-02 3.17858e-03 320
2014  6 3.88949e-02 3.97201e-03 626
2014  7 4.17949e-02 6.10688e-03 235
2014  8 4.82214e-02 1.12575e-02 571
2014  9 4.67719e-02 1.08040e-02 171
2014 10 5.25751e-02 9.76929e-03 603
2014 11 5.41821e-02 9.31406e-03 661
2014 12 5.03687e-02 3.82773e-03 473
2015  1 4.74303e-02 4.04427e-03 522
2015  2 5.03086e-02 6.87393e-03 582
2015  3 4.60081e-02 2.06619e-02 963
2015  4 4.48485e-02 7.00448e-03 239
2015  5 4.02864e-02 6.32744e-03 486
2015  6 3.86562e-02 3.30512e-03 320
2015  7 4.18900e-02 9.80510e-03 449
2015  8 5.61908e-02 1.04111e-02 437
2015  9 5.46337e-02 7.12785e-03 273
2015 10 5.74637e-02 9.06473e-03 471
2015 11 5.21486e-02 9.19831e-03 545
2015 12 5.49064e-02 8.55328e-03 156
2016  1 4.80891e-02 5.05796e-03 128
2016  2 5.59309e-02 9.93354e-03 564
2016  3 5.24868e-02 8.59482e-03 258
2016  4 4.48697e-02 6.20377e-03 548
2016  5 4.73008e-02 6.89585e-03 256
2016  6 4.56969e-02 6.75531e-03 353
2016  7 4.03653e-02 4.66419e-03 530
2016  8 4.47095e-02 5.26378e-03 347
2016  9 4.62089e-02 5.00426e-03 450
2016 10 5.29254e-02 5.22812e-03 244
2016 11 5.14184e-02 3.04633e-03 272
2016 12 5.03685e-02 5.24326e-03 482
2017  1 5.55838e-02 1.49330e-02 567
2017  2 4.93248e-02 8.03198e-03 537
2017  3 4.08775e-02 1.27249e-02 426
2017  4 4.79049e-02 2.25524e-02 303
2017  5 4.08917e-02 4.89367e-03 606
2017  6 4.00429e-02 3.07779e-03 252
2017  7 4.13492e-02 5.93594e-03 693
2017  8 4.39015e-02 1.06631e-02 467
2017  9 8.39871e-02 5.90992e-02 418
2017 10 5.71455e-02 1.99065e-02 363
2017 11 5.12589e-02 1.28201e-02 665
2017 12 4.98927e-02 3.00282e-02 962
2018  1 5.63036e-02 1.01971e-02 421
2018  2 4.64382e-02 7.47762e-03 628
2018  3 4.62641e-02 7.36737e-03 930
2018  4 3.95667e-02 2.87846e-03 384
2018  5 4.19879e-02 2.80746e-03 182
2018  6 4.24402e-02 6.87076e-03 348
2018  7 4.55475e-02 8.33421e-03 434
2018  8 4.43391e-02 7.00688e-03 384
2018  9 5.58190e-02 4.07901e-02 463
2018 10 5.28550e-02 1.14103e-02 749
2018 11 6.68424e-02 2.51589e-02 491
2018 12 5.54098e-02 2.33000e-02 609
2019  1 4.79048e-02 5.99569e-03 538
2019  2 4.67010e-02 8.05849e-03 863
2019  3 4.21656e-02 3.62644e-03 372
2019  4 3.79990e-02 4.96001e-03 386
2019  5 4.89013e-02 5.71535e-03 316
2019  6 4.29348e-02 1.19181e-02 598
2019  7 4.10558e-02 6.90446e-03 477
2019  8 4.68005e-02 1.77176e-02 394
2019  9 6.53114e-02 4.72399e-02 368
2019 10 4.52419e-02 6.92947e-03 611
2019 11 4.55414e-02 5.82463e-03 761
2019 12 4.95429e-02 4.29874e-03 319
2020  1 4.89070e-02 5.17440e-03 877
2020  2 5.54989e-02 4.20384e-02 449
2020  3 4.27307e-02 4.23053e-03 603
2020  4 4.88804e-02 9.64585e-03 448
2020  5 4.39518e-02 9.76860e-03 448
2020  6 3.77281e-02 3.36426e-03 256
2020  7 3.73235e-02 4.14270e-03 285
2020  8 4.03742e-02 5.34930e-03 768
2020  9 4.61783e-02 7.99975e-03 397
2020 10 5.34648e-02 3.86839e-02 463
2020 11 5.15759e-02 2.80580e-03 116
2020 12 5.51672e-02 3.77988e-02 549
2021  1 5.05498e-02 2.25406e-02 741
2021  2 5.11550e-02 5.51572e-03 538
2021  3 4.46541e-02 2.87255e-02 666
2021  4 4.00041e-02 4.57585e-03 386
2021  5 4.12563e-02 4.10900e-03 323
2021  6 4.39432e-02 9.80813e-03 169
2021  7 4.12024e-02 7.26637e-03 417
2021  8 4.20636e-02 5.00181e-03 500
2021  9 4.88515e-02 4.23574e-03 404
2021 10 5.09830e-02 8.93485e-03 399
2021 11 5.77401e-02 9.91022e-03 538
2021 12 4.65446e-02 7.53123e-03 762
2022  1 5.09519e-02 2.71417e-02 603
2022  2 4.72846e-02 7.08213e-03 539
2022  3 4.09970e-02 4.19794e-03 134
2022  4 4.65209e-02 5.28969e-03 139
2022  5 3.99044e-02 5.06541e-03 638
2022  6 3.97467e-02 5.19534e-03 364
2022  7 3.88055e-02 5.01652e-03 578
2022  8 5.21762e-02 3.67611e-02 480
2022  9 9.40321e-02 8.78900e-02 436
2022 10 4.88532e-02 8.54426e-03 402
2022 11 4.68855e-02 1.72516e-02 636
2022 12 4.87064e-02 7.08676e-03 406
2023  1 5.01712e-02 8.69596e-03 855
2023  2 4.85298e-02 2.25737e-02 989
2023  3 4.84728e-02 9.41111e-03 574
2023  4 4.03556e-02 6.71136e-03 387
2023  5 4.29825e-02 2.60043e-02 355
2023  6 4.39676e-02 6.72799e-03 395
2023  7 5.38599e-02 1.32984e-02 384
2023  8 4.65333e-02 1.15372e-02 375
2023  9 5.95462e-02 2.16589e-02 346
2023 10 5.76383e-02 1.03703e-02 439
2023 11 5.24070e-02 2.63990e-02 316
2023 12 5.52109e-02 7.25025e-03 256
2024  1 5.72911e-02 4.37649e-02 336
2024  2 5.10665e-02 1.55921e-02 403
2024  3 4.94364e-02 6.02298e-03 429
2024  4 3.97063e-02 2.83636e-03 128