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 4.63647e-02 4.16647e-03 64
2002  8 nan nan 0
2002  9 4.46829e-02 6.85310e-03 64
2002 10 5.99417e-02 2.25949e-02 396
2002 11 8.10188e-02 3.74335e-02 638
2002 12 5.07388e-02 1.54080e-02 539
2003  1 4.14136e-02 8.20339e-03 405
2003  2 3.49027e-02 6.39144e-03 204
2003  3 3.35414e-02 6.91858e-03 323
2003  4 nan nan 0
2003  5 4.38223e-02 7.14328e-04 5
2003  6 nan nan 0
2003  7 nan nan 0
2003  8 4.12632e-02 2.23644e-03 64
2003  9 5.53969e-02 2.46923e-02 286
2003 10 7.83219e-02 6.90065e-02 283
2003 11 7.20439e-02 2.19080e-02 400
2003 12 5.43515e-02 2.64079e-02 493
2004  1 5.13361e-02 1.58499e-02 397
2004  2 3.43552e-02 5.78845e-03 487
2004  3 3.31528e-02 4.77692e-03 398
2004  4 4.74463e-02 2.19878e-02 274
2004  5 4.16108e-02 1.91326e-03 25
2004  6 nan nan 0
2004  7 nan nan 0
2004  8 7.48253e-02 1.04649e-02 46
2004  9 6.39624e-02 1.28059e-02 148
2004 10 5.42722e-02 1.80236e-02 185
2004 11 3.52862e-02 9.68751e-03 255
2004 12 6.60404e-02 6.83789e-02 553
2005  1 3.46792e-02 5.70591e-03 150
2005  2 5.20921e-02 3.78975e-02 562
2005  3 3.08710e-02 4.55698e-03 287
2005  4 3.80553e-02 5.55628e-03 283
2005  5 4.45362e-02 1.15305e-02 154
2005  6 nan nan 0
2005  7 nan nan 0
2005  8 6.40673e-02 5.36657e-03 66
2005  9 1.25833e-01 4.54236e-02 68
2005 10 1.13195e-01 4.04406e-02 128
2005 11 4.63649e-02 1.76660e-02 450
2005 12 3.73166e-02 6.30841e-03 705
2006  1 3.39901e-02 2.48030e-03 215
2006  2 3.42558e-02 5.65228e-03 446
2006  3 3.56960e-02 9.48416e-03 391
2006  4 9.95309e-02 3.77929e-02 142
2006  5 4.82822e-02 1.34715e-02 158
2006  6 nan nan 0
2006  7 5.06955e-02 2.26576e-02 192
2006  8 4.53457e-02 2.39503e-03 64
2006  9 5.09972e-02 1.18561e-02 149
2006 10 5.14952e-02 1.56077e-02 154
2006 11 4.57192e-02 2.30468e-02 415
2006 12 7.71628e-02 5.27201e-02 376
2007  1 3.77965e-02 5.11678e-03 384
2007  2 4.35084e-02 1.49671e-02 268
2007  3 6.81927e-02 1.73786e-02 62
2007  4 3.37817e-02 3.23027e-03 64
2007  5 nan nan 0
2007  6 nan nan 0
2007  7 5.37641e-02 1.98927e-03 64
2007  8 4.55548e-02 6.12559e-03 64
2007  9 6.12754e-02 1.29756e-02 129
2007 10 5.17196e-02 8.06327e-03 159
2007 11 4.45120e-02 1.07257e-02 176
2007 12 4.53743e-02 9.78895e-03 732
2008  1 3.91566e-02 1.57157e-02 724
2008  2 3.29742e-02 4.64676e-03 442
2008  3 3.07293e-02 7.32659e-03 228
2008  4 3.20879e-02 1.81723e-03 140
2008  5 3.42959e-02 1.84279e-03 64
2008  6 3.89489e-02 3.61190e-03 64
2008  7 4.00445e-02 2.39288e-03 75
2008  8 7.76964e-02 2.27346e-02 128
2008  9 5.32953e-02 5.26426e-03 78
2008 10 8.51155e-02 4.43688e-02 294
2008 11 4.30142e-02 1.43819e-02 482
2008 12 4.10872e-02 1.20166e-02 548
2009  1 3.28853e-02 6.21886e-03 540
2009  2 3.23625e-02 9.51376e-03 264
2009  3 3.70049e-02 6.07466e-03 177
2009  4 4.19491e-02 7.80494e-03 149
2009  5 4.17133e-02 3.66444e-03 74
2009  6 nan nan 0
2009  7 6.40835e-02 1.94338e-02 215
2009  8 3.55174e-02 3.19387e-03 175
2009  9 5.23640e-02 5.55912e-03 88
2009 10 8.19165e-02 3.68203e-02 312
2009 11 1.04258e-01 5.63256e-02 387
2009 12 4.49051e-02 9.71941e-03 428
2010  1 3.99716e-02 8.32996e-03 392
2010  2 5.55900e-02 4.41484e-02 351
2010  3 3.27906e-02 1.62261e-03 79
2010  4 3.06377e-02 1.42223e-04 3
2010  5 1.00075e-01 1.59872e-02 64
2010  6 6.93570e-02 1.21500e-02 64
2010  7 nan nan 0
2010  8 5.43461e-02 3.02946e-03 30
2010  9 5.82255e-02 2.76604e-03 64
2010 10 1.17300e-01 1.08070e-01 236
2010 11 6.66593e-02 3.91404e-02 384
2010 12 4.55025e-02 9.63996e-03 554
2011  1 4.04730e-02 9.51581e-03 549
2011  2 3.65404e-02 1.30104e-02 209
2011  3 3.38938e-02 4.77033e-03 353
2011  4 3.45623e-02 8.67348e-03 344
2011  5 4.81048e-02 3.73402e-03 130
2011  6 5.03239e-02 3.98713e-03 13
2011  7 nan nan 0
2011  8 nan nan 0
2011  9 5.54071e-02 1.57001e-02 245
2011 10 4.58509e-02 8.23721e-03 329
2011 11 6.23184e-02 1.40980e-02 307
2011 12 3.32991e-02 4.42812e-03 517
2012  1 4.19534e-02 1.09896e-02 552
2012  2 4.65357e-02 2.84586e-02 482
2012  3 3.01080e-02 3.80184e-03 420
2012  4 5.86856e-02 2.11591e-02 89
2012  5 3.78285e-02 1.00384e-02 141
2012  6 nan nan 0
2012  7 nan nan 0
2012  8 nan nan 0
2012  9 4.28512e-02 7.49302e-03 238
2012 10 1.04725e-01 6.52645e-02 155
2012 11 6.61169e-02 2.34308e-02 214
2012 12 3.64532e-02 2.58387e-03 426
2013  1 4.09474e-02 1.10792e-02 294
2013  2 3.82037e-02 8.47562e-03 291
2013  3 5.22026e-02 2.55737e-02 127
2013  4 4.67201e-02 1.71822e-02 125
2013  5 8.42603e-02 1.62335e-02 192
2013  6 nan nan 0
2013  7 4.63800e-02 1.17447e-02 124
2013  8 2.41597e-02 0.00000e+00 1
2013  9 5.89706e-02 2.04363e-02 143
2013 10 5.40287e-02 1.79511e-02 196
2013 11 9.87504e-02 9.79318e-02 505
2013 12 4.91893e-02 1.12955e-02 493
2014  1 3.77532e-02 3.55654e-02 479
2014  2 3.63943e-02 8.58223e-03 337
2014  3 3.53236e-02 4.32990e-02 232
2014  4 3.30864e-02 4.22934e-03 186
2014  5 4.20186e-02 4.53886e-03 27
2014  6 nan nan 0
2014  7 nan nan 0
2014  8 3.37891e-02 7.04330e-04 16
2014  9 4.29346e-02 6.90150e-03 139
2014 10 4.46772e-02 1.74890e-02 292
2014 11 6.76706e-02 1.63241e-02 341
2014 12 5.92227e-02 4.72968e-02 559
2015  1 3.55772e-02 8.72415e-03 585
2015  2 9.70659e-02 1.00228e-01 358
2015  3 3.99467e-02 5.34447e-03 323
2015  4 3.23746e-02 3.25174e-03 41
2015  5 3.60338e-02 6.65305e-03 26
2015  6 nan nan 0
2015  7 nan nan 0
2015  8 9.41901e-02 1.17291e-02 49
2015  9 5.68789e-02 1.25352e-02 327
2015 10 9.97517e-02 4.47929e-02 280
2015 11 4.10776e-02 7.75836e-03 257
2015 12 5.07126e-02 2.23138e-02 468
2016  1 6.42300e-02 4.00518e-02 415
2016  2 4.38131e-02 2.19297e-02 388
2016  3 3.06823e-02 9.06372e-04 65
2016  4 4.87729e-02 3.35915e-02 243
2016  5 4.45388e-02 1.32927e-03 64
2016  6 3.56177e-02 2.78615e-03 44
2016  7 nan nan 0
2016  8 4.65702e-02 3.60787e-03 64
2016  9 nan nan 0
2016 10 6.93403e-02 3.47532e-02 371
2016 11 1.23527e-01 1.15307e-01 218
2016 12 4.90180e-02 2.90831e-02 488
2017  1 4.25885e-02 2.74689e-02 493
2017  2 3.53749e-02 3.70203e-03 493
2017  3 4.70346e-02 3.65191e-02 412
2017  4 4.06609e-02 1.39451e-02 168
2017  5 4.85982e-02 7.60026e-03 128
2017  6 3.63834e-02 2.66594e-03 64
2017  7 4.85796e-02 1.42012e-03 8
2017  8 7.53465e-02 5.85503e-03 64
2017  9 8.28351e-02 3.57868e-02 128
2017 10 4.13243e-02 5.55022e-03 66
2017 11 7.74205e-02 4.00772e-02 294
2017 12 4.19000e-02 8.27937e-03 592
2018  1 4.05081e-02 1.03263e-02 459
2018  2 3.21775e-02 3.56751e-03 188
2018  3 7.04061e-02 6.35593e-02 303
2018  4 3.70230e-02 4.72219e-03 62
2018  5 4.49650e-02 5.84235e-04 8
2018  6 nan nan 0
2018  7 4.90953e-02 4.94314e-03 64
2018  8 5.73814e-02 3.43836e-03 52
2018  9 9.01527e-02 2.79325e-02 252
2018 10 4.66905e-02 1.57095e-02 348
2018 11 6.20541e-02 1.30590e-02 315
2018 12 4.31768e-02 8.53824e-03 537
2019  1 4.05457e-02 2.33869e-02 553
2019  2 2.96538e-02 4.69256e-03 211
2019  3 2.82129e-02 4.17351e-03 232
2019  4 4.16903e-02 7.16401e-03 128
2019  5 2.68713e-02 2.08747e-04 5
2019  6 8.65625e-02 3.62453e-02 58
2019  7 3.11517e-02 1.01530e-03 64
2019  8 4.49466e-02 1.14737e-03 7
2019  9 1.12633e-01 2.85072e-02 209
2019 10 7.75609e-02 3.54546e-02 379
2019 11 6.38441e-02 4.51395e-02 578
2019 12 4.80065e-02 1.12356e-02 486
2020  1 3.63979e-02 5.88539e-03 430
2020  2 3.36596e-02 6.78763e-03 500
2020  3 2.89704e-02 3.73179e-03 229
2020  4 3.10448e-02 5.99498e-03 137
2020  5 6.21468e-02 8.52436e-03 64
2020  6 3.26030e-02 1.04599e-03 64
2020  7 3.24084e-02 6.20984e-04 64
2020  8 6.90330e-02 9.63570e-03 64
2020  9 6.23888e-02 3.38179e-02 233
2020 10 6.68470e-02 1.19562e-02 128
2020 11 5.86310e-02 2.55190e-02 432
2020 12 4.09551e-02 7.31900e-03 607
2021  1 3.39463e-02 9.01473e-03 610
2021  2 3.37053e-02 6.47736e-03 486
2021  3 3.49913e-02 7.19271e-03 400
2021  4 3.32972e-02 4.47354e-04 64
2021  5 8.59917e-02 1.41836e-02 16
2021  6 nan nan 0
2021  7 7.86992e-02 7.71163e-03 105
2021  8 9.97740e-02 9.48166e-03 64
2021  9 4.80957e-02 1.06391e-02 108
2021 10 5.60480e-02 1.83175e-02 309
2021 11 4.54660e-02 1.13561e-02 642
2021 12 4.33833e-02 5.24171e-03 421
2022  1 3.39624e-02 4.84996e-03 500
2022  2 2.73959e-02 4.67659e-03 294
2022  3 3.36055e-02 4.23277e-03 254
2022  4 3.46113e-02 3.87492e-03 53
2022  5 2.17520e-02 9.81884e-04 25
2022  6 3.90719e-02 7.80519e-04 64
2022  7 3.74059e-02 2.44203e-03 34
2022  8 7.96687e-02 1.01629e-02 64
2022  9 6.80784e-02 2.09262e-02 199
2022 10 6.83398e-02 4.46271e-02 113
2022 11 7.31264e-02 4.84117e-02 720
2022 12 4.24447e-02 2.08418e-02 689
2023  1 4.03235e-02 1.63484e-02 562
2023  2 3.52105e-02 7.75139e-03 266
2023  3 3.78739e-02 4.15718e-02 614
2023  4 3.18333e-02 5.33943e-03 210
2023  5 3.75889e-02 6.91988e-03 216
2023  6 5.50127e-02 1.80179e-02 79
2023  7 nan nan 0
2023  8 1.92880e-01 5.73028e-02 5
2023  9 6.84186e-02 1.82119e-02 194
2023 10 4.68589e-02 7.53975e-03 146
2023 11 3.54386e-02 4.87581e-03 264
2023 12 4.16750e-02 1.90790e-02 677
2024  1 4.09479e-02 3.24707e-02 476
2024  2 3.85304e-02 1.32984e-02 618
2024  3 3.35963e-02 3.82254e-03 216
2024  4 3.71500e-02 3.57072e-04 4