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 1.87295e-02 5.97916e-03 199
2002  8 2.77124e-02 9.67877e-03 252
2002  9 5.39888e-03 4.60148e-02 252
2002 10 -3.27982e-02 7.12907e-02 585
2002 11 2.65644e-02 3.42897e-02 1160
2002 12 2.00893e-02 2.68010e-02 788
2003  1 1.83134e-02 1.65968e-02 766
2003  2 2.09381e-02 2.05981e-02 636
2003  3 1.97224e-02 7.35665e-03 677
2003  4 2.03534e-02 3.69913e-03 128
2003  5 2.35776e-02 5.63674e-03 293
2003  6 5.40695e-02 6.09875e-03 64
2003  7 4.06443e-02 4.11159e-03 64
2003  8 2.68897e-02 5.79730e-03 135
2003  9 2.06622e-02 7.67599e-03 285
2003 10 2.22042e-02 1.15412e-02 509
2003 11 -1.43631e-02 9.21996e-02 478
2003 12 2.92101e-02 1.03807e-02 717
2004  1 2.35418e-02 2.59090e-02 812
2004  2 1.48697e-02 3.98412e-02 814
2004  3 2.28266e-02 4.26167e-03 552
2004  4 2.08766e-02 5.52620e-03 525
2004  5 1.94611e-02 3.74555e-03 60
2004  6 2.13278e-02 2.45968e-02 247
2004  7 -9.93632e-02 8.05017e-02 262
2004  8 -1.34771e-02 5.68107e-02 316
2004  9 4.27876e-02 9.10231e-03 146
2004 10 1.49067e-02 2.19731e-02 184
2004 11 -2.80750e-03 6.63841e-02 682
2004 12 2.18646e-02 1.52244e-02 769
2005  1 1.64069e-02 2.44595e-02 786
2005  2 2.30937e-02 1.12560e-02 593
2005  3 2.31743e-02 8.59141e-03 734
2005  4 2.45978e-02 1.11718e-02 504
2005  5 5.87505e-03 4.34978e-02 224
2005  6 nan nan 0
2005  7 3.07259e-02 7.23703e-03 128
2005  8 1.93161e-02 2.79399e-03 70
2005  9 2.57305e-02 7.74028e-03 140
2005 10 -5.19699e-02 1.31601e-01 176
2005 11 3.48984e-02 9.62553e-03 307
2005 12 2.01121e-02 3.84912e-02 1018
2006  1 3.25853e-03 5.04901e-02 481
2006  2 -1.83222e-03 4.22127e-02 808
2006  3 1.95771e-02 2.10711e-02 693
2006  4 2.36930e-02 3.76574e-03 378
2006  5 5.30206e-03 3.45392e-02 255
2006  6 1.08617e-02 4.18647e-02 132
2006  7 -9.05312e-03 6.92000e-02 248
2006  8 3.97742e-02 9.17725e-05 2
2006  9 1.25930e-02 3.10044e-02 313
2006 10 2.15953e-02 2.48573e-02 261
2006 11 2.23159e-02 2.28037e-02 708
2006 12 3.41749e-02 1.65373e-02 1007
2007  1 1.50895e-02 3.48228e-02 992
2007  2 5.80953e-03 4.78022e-02 656
2007  3 2.36510e-02 6.08147e-03 425
2007  4 2.10718e-02 7.19544e-03 327
2007  5 1.53322e-02 2.45626e-03 128
2007  6 3.51429e-02 4.45081e-03 62
2007  7 -1.31885e-02 5.10786e-02 189
2007  8 -4.23362e-02 7.02527e-02 248
2007  9 4.00068e-02 3.35302e-02 192
2007 10 2.78090e-02 9.89785e-03 249
2007 11 9.53269e-03 5.05936e-02 524
2007 12 -7.60337e-03 8.81504e-02 724
2008  1 9.88327e-03 4.89234e-02 1028
2008  2 7.14716e-03 3.87354e-02 776
2008  3 2.54092e-02 1.23582e-02 437
2008  4 2.02456e-02 4.29726e-03 249
2008  5 2.22191e-02 4.05476e-03 449
2008  6 2.86599e-02 5.76077e-03 64
2008  7 2.59462e-02 4.49458e-03 193
2008  8 2.96324e-02 8.84051e-03 256
2008  9 2.87375e-02 6.55421e-03 252
2008 10 2.24292e-02 4.55648e-02 469
2008 11 2.40973e-02 3.85821e-02 704
2008 12 2.49016e-02 1.99217e-02 879
2009  1 -6.32594e-04 4.65916e-02 1183
2009  2 1.42608e-02 3.67806e-02 676
2009  3 2.25937e-02 1.33691e-02 428
2009  4 2.94120e-02 2.50863e-02 554
2009  5 -3.05174e-02 7.25251e-02 150
2009  6 3.34848e-02 1.29171e-02 128
2009  7 -2.71225e-04 4.97860e-02 359
2009  8 -2.67242e-03 3.71342e-02 244
2009  9 2.53175e-02 7.55291e-03 236
2009 10 2.74114e-02 8.26046e-03 539
2009 11 2.21761e-02 2.82351e-02 883
2009 12 3.04737e-02 2.07437e-02 749
2010  1 1.22573e-02 5.07618e-02 754
2010  2 2.18355e-03 4.05198e-02 872
2010  3 2.88597e-02 7.27863e-03 441
2010  4 1.61315e-02 2.16906e-02 234
2010  5 8.68049e-03 3.77116e-02 238
2010  6 1.65934e-02 4.11810e-02 371
2010  7 -3.65758e-02 7.12253e-02 116
2010  8 -1.82094e-02 7.36511e-02 308
2010  9 3.28194e-02 4.41989e-03 212
2010 10 1.48469e-02 5.44114e-02 345
2010 11 1.26081e-02 5.21191e-02 416
2010 12 1.38011e-02 5.29558e-02 660
2011  1 -1.24209e-03 4.41346e-02 744
2011  2 1.31776e-02 4.11013e-02 760
2011  3 1.49015e-02 3.68770e-02 728
2011  4 1.72148e-02 2.53554e-02 510
2011  5 1.74630e-02 5.02684e-03 253
2011  6 2.55946e-02 5.71881e-03 64
2011  7 -7.22086e-03 4.41528e-02 147
2011  8 1.19914e-02 6.50262e-02 193
2011  9 5.02953e-02 1.01108e-02 256
2011 10 1.31673e-02 5.19421e-02 385
2011 11 2.54163e-02 2.82295e-02 629
2011 12 2.48465e-02 9.09679e-03 828
2012  1 2.13863e-02 2.34208e-02 828
2012  2 5.02407e-03 3.77820e-02 766
2012  3 1.54260e-02 2.46088e-02 505
2012  4 1.77798e-02 2.39906e-02 470
2012  5 2.06944e-02 1.05229e-02 190
2012  6 3.93413e-04 4.98942e-02 96
2012  7 2.44863e-02 4.33678e-03 248
2012  8 -1.81324e-01 8.99373e-02 67
2012  9 -2.38989e-02 5.30088e-02 392
2012 10 2.34335e-02 4.19253e-03 194
2012 11 1.65959e-02 1.77699e-02 919
2012 12 1.82795e-02 2.89261e-02 713
2013  1 2.80503e-03 4.77988e-02 667
2013  2 -1.69021e-04 3.86733e-02 859
2013  3 2.60460e-02 1.62150e-02 525
2013  4 2.57060e-02 5.15803e-03 370
2013  5 2.48811e-02 5.42998e-03 267
2013  6 nan nan 0
2013  7 5.98622e-03 5.24855e-02 495
2013  8 2.10150e-02 4.47626e-02 190
2013  9 3.74774e-02 9.68094e-03 192
2013 10 2.14640e-02 6.45081e-03 304
2013 11 2.88366e-03 4.78892e-02 826
2013 12 3.54053e-02 3.40804e-02 822
2014  1 6.35756e-03 5.01446e-02 1088
2014  2 2.40865e-03 4.16166e-02 933
2014  3 1.73778e-02 2.90145e-02 595
2014  4 1.98004e-02 6.32001e-03 171
2014  5 2.58899e-02 4.26267e-03 192
2014  6 -5.40428e-03 4.43370e-02 192
2014  7 1.85801e-02 2.63125e-02 211
2014  8 -8.67768e-02 1.11901e-02 64
2014  9 2.49628e-02 5.95772e-03 274
2014 10 1.04468e-03 4.27164e-02 729
2014 11 2.01655e-02 5.67459e-02 933
2014 12 2.32089e-02 6.91073e-03 1205
2015  1 1.16341e-02 3.73482e-02 761
2015  2 1.90864e-02 2.86570e-02 837
2015  3 9.92461e-03 3.38377e-02 614
2015  4 2.11503e-02 3.71088e-03 459
2015  5 nan nan 0
2015  6 nan nan 0
2015  7 3.45495e-02 7.88193e-03 111
2015  8 1.28959e-02 3.35523e-02 434
2015  9 2.22228e-02 1.17980e-02 429
2015 10 2.08817e-02 5.70689e-03 392
2015 11 -1.95589e-02 7.49685e-02 509
2015 12 -5.50900e-03 5.10906e-02 1038
2016  1 2.07810e-02 2.95157e-02 869
2016  2 9.49157e-03 3.95506e-02 856
2016  3 2.53731e-02 7.33744e-03 368
2016  4 2.53687e-02 6.63317e-03 256
2016  5 2.56170e-02 6.71065e-03 180
2016  6 2.16653e-02 2.41856e-02 189
2016  7 1.09277e-02 4.03945e-02 222
2016  8 -4.27311e-03 4.72353e-02 184
2016  9 1.26874e-02 3.23773e-02 452
2016 10 2.52656e-02 6.25208e-03 311
2016 11 2.49993e-02 2.06508e-02 194
2016 12 2.75972e-02 3.41685e-02 1119
2017  1 2.58820e-03 4.50688e-02 690
2017  2 2.41419e-03 4.26923e-02 796
2017  3 2.54116e-02 1.22319e-02 447
2017  4 2.56160e-02 6.30573e-03 384
2017  5 6.20764e-03 4.15162e-02 497
2017  6 -8.17613e-03 5.09012e-02 317
2017  7 -4.30835e-02 1.06727e-01 312
2017  8 -8.08085e-02 4.27237e-02 97
2017  9 1.07868e-02 5.07981e-02 192
2017 10 3.49984e-02 1.22513e-01 91
2017 11 -1.85829e-03 4.80072e-02 601
2017 12 2.73578e-02 3.85354e-02 1099
2018  1 2.25353e-02 2.54049e-02 725
2018  2 1.37088e-02 5.02141e-02 425
2018  3 9.56448e-03 3.20755e-02 441
2018  4 2.59528e-02 4.60291e-03 316
2018  5 1.18596e-02 3.32283e-02 427
2018  6 -4.82740e-03 4.93107e-02 320
2018  7 3.39097e-02 7.41737e-03 128
2018  8 2.36763e-02 4.28344e-03 339
2018  9 3.34934e-02 1.19620e-02 301
2018 10 -2.27240e-02 7.07856e-02 517
2018 11 -3.26821e-02 9.61928e-02 884
2018 12 1.01587e-04 7.06603e-02 940
2019  1 -5.21637e-03 5.64676e-02 816
2019  2 2.53821e-02 5.16980e-03 513
2019  3 1.66097e-02 2.51870e-02 641
2019  4 8.94541e-03 2.99759e-02 539
2019  5 2.07024e-02 4.34882e-03 158
2019  6 2.85830e-02 7.61223e-03 200
2019  7 2.98843e-02 5.33133e-03 310
2019  8 2.25654e-02 3.85806e-03 111
2019  9 2.44117e-02 6.97551e-03 187
2019 10 7.79219e-03 3.84121e-02 298
2019 11 1.32489e-03 5.14053e-02 1033
2019 12 1.95805e-02 3.61166e-02 703
2020  1 1.56033e-02 3.62710e-02 891
2020  2 2.94474e-03 4.17272e-02 802
2020  3 2.43523e-02 5.93741e-03 467
2020  4 1.54715e-02 2.21523e-02 831
2020  5 1.44137e-02 2.14926e-02 340
2020  6 -2.82236e-03 3.61058e-02 441
2020  7 2.26157e-02 8.62278e-03 256
2020  8 4.45720e-02 1.28190e-02 199
2020  9 2.03284e-02 6.29862e-03 215
2020 10 1.13880e-02 2.47477e-02 366
2020 11 2.31811e-02 4.16447e-02 634
2020 12 2.20536e-02 3.76273e-02 810
2021  1 1.08973e-02 3.77997e-02 762
2021  2 5.27162e-03 4.51616e-02 697
2021  3 1.56531e-02 2.37210e-02 720
2021  4 2.01224e-02 7.25458e-03 498
2021  5 2.01346e-02 5.34340e-03 416
2021  6 5.10974e-02 3.14910e-02 65
2021  7 4.33393e-02 2.21695e-02 205
2021  8 -1.06694e-02 5.86695e-02 272
2021  9 6.03088e-03 4.13291e-02 142
2021 10 -1.62529e-01 1.51874e-01 214
2021 11 -1.20595e-02 7.48062e-02 991
2021 12 1.01173e-02 4.40405e-02 937
2022  1 2.28136e-02 7.00386e-03 1130
2022  2 2.52715e-02 9.45737e-03 512
2022  3 2.01834e-02 6.72980e-03 588
2022  4 1.61318e-02 2.36328e-03 126
2022  5 2.37207e-02 1.05089e-02 349
2022  6 1.92299e-02 4.59876e-03 359
2022  7 2.21473e-02 3.65088e-03 125
2022  8 3.21883e-02 1.22269e-02 256
2022  9 8.69477e-02 1.98505e-02 42
2022 10 4.23808e-02 2.03511e-02 347
2022 11 3.42904e-02 1.04729e-02 867
2022 12 3.07202e-02 1.00257e-02 1077
2023  1 1.92386e-02 5.31111e-03 1102
2023  2 1.71176e-02 8.62118e-03 797
2023  3 1.72081e-02 4.52444e-03 633
2023  4 1.26539e-02 3.32326e-03 561
2023  5 1.16506e-02 3.30958e-03 350
2023  6 1.46532e-02 4.73813e-03 158
2023  7 3.36118e-02 4.29024e-03 51
2023  8 2.33083e-02 6.98623e-03 195
2023  9 1.79758e-02 7.84776e-03 454
2023 10 1.43751e-02 9.04636e-03 224
2023 11 3.19518e-02 1.19139e-02 721
2023 12 3.29032e-02 1.21546e-02 949
2024  1 2.83244e-02 9.70191e-03 911
2024  2 2.24022e-02 9.20971e-03 670
2024  3 1.91116e-02 6.50984e-03 571
2024  4 8.58578e-03 1.07759e-03 70