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 4.64745e-02 9.38468e-03 145
2002  8 5.18492e-02 4.79654e-03 122
2002  9 1.04058e-01 6.13186e-02 59
2002 10 6.55472e-02 1.56845e-02 125
2002 11 8.16737e-02 2.01270e-02 179
2002 12 1.11866e-01 2.70803e-02 128
2003  1 1.71814e-01 1.12991e-01 208
2003  2 9.13917e-02 9.66115e-03 168
2003  3 7.26710e-02 1.11562e-02 152
2003  4 1.01613e-01 4.43284e-02 128
2003  5 1.16075e-01 7.93331e-04 16
2003  6 9.33000e-02 8.06227e-04 16
2003  7 2.15844e-01 2.15133e-01 64
2003  8 1.38787e-01 9.03186e-02 76
2003  9 7.86717e-02 1.87927e-02 120
2003 10 5.87741e-02 9.45538e-03 224
2003 11 5.63797e-02 7.33912e-03 256
2003 12 8.82483e-02 1.42570e-02 207
2004  1 6.79946e-02 8.59375e-03 112
2004  2 7.13675e-02 1.12300e-02 80
2004  3 8.09031e-02 1.84612e-02 225
2004  4 7.41874e-02 2.26834e-02 174
2004  5 4.89327e-02 8.75789e-03 113
2004  6 8.58828e-02 4.63272e-03 58
2004  7 1.72281e-01 9.22246e-02 96
2004  8 8.90486e-02 2.84813e-02 144
2004  9 1.35266e-01 1.00892e-01 160
2004 10 9.11536e-02 2.99742e-02 112
2004 11 8.74857e-02 1.49627e-02 84
2004 12 1.03387e-01 1.29511e-02 149
2005  1 8.58451e-02 9.70945e-03 133
2005  2 8.82688e-02 1.36119e-02 96
2005  3 8.20406e-02 2.22412e-02 128
2005  4 9.88517e-02 4.31211e-02 120
2005  5 5.95393e-02 1.93086e-02 112
2005  6 7.25312e-02 2.53505e-02 192
2005  7 8.02111e-02 2.68576e-02 162
2005  8 1.11160e-01 6.83274e-02 80
2005  9 7.23635e-02 2.52975e-02 192
2005 10 5.75682e-02 1.05998e-02 289
2005 11 7.37635e-02 1.58983e-02 192
2005 12 7.86014e-02 1.75373e-02 140
2006  1 8.05940e-02 9.25719e-03 133
2006  2 8.72800e-02 1.29390e-02 160
2006  3 6.07971e-02 9.55481e-03 208
2006  4 6.92213e-02 2.64759e-02 197
2006  5 8.24812e-02 2.51442e-02 192
2006  6 7.33778e-02 3.02926e-02 180
2006  7 4.46360e-02 2.66164e-03 50
2006  8 5.22806e-02 7.51001e-03 129
2006  9 5.54829e-02 4.06801e-03 164
2006 10 6.29375e-02 1.54997e-02 224
2006 11 7.79631e-02 1.36019e-02 271
2006 12 6.82615e-02 6.69619e-03 192
2007  1 7.87833e-02 8.52978e-03 96
2007  2 7.34717e-02 2.00851e-02 120
2007  3 6.40788e-02 6.61237e-03 208
2007  4 5.77409e-02 7.72262e-03 176
2007  5 5.08700e-02 8.27539e-03 80
2007  6 5.46720e-02 8.36126e-03 125
2007  7 6.58625e-02 1.66047e-02 80
2007  8 4.72696e-02 2.92254e-03 46
2007  9 5.89453e-02 7.25774e-03 128
2007 10 7.39760e-02 2.17491e-02 192
2007 11 6.60413e-02 5.88211e-03 208
2007 12 6.69655e-02 8.59740e-03 145
2008  1 8.19122e-02 1.02707e-02 139
2008  2 7.57084e-02 1.53822e-02 251
2008  3 1.09897e-01 3.05181e-02 192
2008  4 6.82847e-02 1.43538e-02 144
2008  5 1.25287e-01 1.00857e-01 96
2008  6 1.26647e-01 5.11496e-02 165
2008  7 1.02906e-01 2.13536e-02 85
2008  8 9.54875e-02 2.24366e-02 144
2008  9 6.79329e-02 1.54716e-02 164
2008 10 6.18718e-02 8.39070e-03 195
2008 11 5.87007e-02 6.24217e-03 268
2008 12 7.16986e-02 8.86591e-03 144
2009  1 9.50136e-02 2.68521e-02 176
2009  2 1.01838e-01 1.76206e-02 142
2009  3 8.14591e-02 2.32266e-02 132
2009  4 2.46612e-01 1.51092e-01 98
2009  5 2.55687e-01 3.66043e-01 92
2009  6 1.26099e-01 3.33986e-02 159
2009  7 6.64069e-02 1.08083e-02 87
2009  8 6.92464e-02 1.72487e-02 112
2009  9 5.60088e-02 5.54971e-03 136
2009 10 6.57821e-02 9.09480e-03 112
2009 11 7.33847e-02 1.53278e-02 144
2009 12 7.53582e-02 5.97121e-03 110
2010  1 8.85417e-02 1.22418e-02 175
2010  2 2.38186e-01 1.19030e-01 176
2010  3 1.71748e-01 2.02971e-01 169
2010  4 1.60606e-01 8.81959e-02 160
2010  5 8.63373e-02 2.21216e-02 169
2010  6 2.03440e-01 1.86188e-01 180
2010  7 7.85725e-02 2.15503e-02 153
2010  8 8.09146e-02 1.57677e-02 96
2010  9 8.08800e-02 2.09535e-02 215
2010 10 6.20419e-02 8.23730e-03 320
2010 11 7.84365e-02 7.14255e-03 208
2010 12 9.93502e-02 1.93769e-02 205
2011  1 1.22449e-01 3.62633e-02 208
2011  2 9.39812e-02 2.04528e-02 192
2011  3 8.60531e-02 3.46208e-02 192
2011  4 1.26861e-01 9.40542e-02 111
2011  5 9.56865e-02 4.07715e-02 208
2011  6 1.35256e-01 3.22830e-02 138
2011  7 8.42437e-02 8.22249e-03 128
2011  8 1.16885e-01 2.95151e-02 130
2011  9 9.05005e-02 1.86127e-02 209
2011 10 6.53600e-02 6.16676e-03 320
2011 11 8.24875e-02 9.03717e-03 128
2011 12 8.29600e-02 2.66788e-02 65
2012  1 8.44594e-02 1.13821e-02 192
2012  2 7.39417e-02 4.49592e-03 48
2012  3 6.08827e-02 1.40946e-02 220
2012  4 5.66058e-02 1.37950e-02 208
2012  5 5.35773e-02 1.10956e-02 176
2012  6 6.22416e-02 1.68832e-02 154
2012  7 5.74103e-02 6.27898e-03 78
2012  8 7.25982e-02 1.20432e-02 112
2012  9 7.68901e-02 3.02940e-02 171
2012 10 6.23424e-02 1.33475e-02 288
2012 11 7.82412e-02 9.55438e-03 272
2012 12 6.23580e-02 7.76378e-03 143
2013  1 6.74781e-02 5.85903e-03 128
2013  2 7.95600e-02 9.24167e-03 80
2013  3 1.56240e-01 9.32577e-02 208
2013  4 5.77327e-02 1.83987e-02 107
2013  5 6.59213e-02 1.46637e-02 127
2013  6 5.37125e-02 1.80181e-02 80
2013  7 7.90850e-02 2.02091e-02 160
2013  8 1.24681e-01 4.70048e-02 89
2013  9 8.84436e-02 3.93674e-02 188
2013 10 5.57216e-02 7.00458e-03 176
2013 11 6.14568e-02 9.71793e-03 176
2013 12 6.48911e-02 8.20487e-03 112
2014  1 6.84681e-02 1.09395e-02 144
2014  2 8.11125e-02 1.77428e-02 160
2014  3 7.84694e-02 7.25064e-03 144
2014  4 7.88696e-02 3.40647e-02 112
2014  5 1.91447e-01 1.53769e-01 156
2014  6 2.81122e-01 4.59487e-01 123
2014  7 9.72122e-02 2.01018e-02 82
2014  8 8.38588e-02 3.04017e-02 160
2014  9 4.96286e-02 4.51742e-03 112
2014 10 5.95704e-02 8.96060e-03 311
2014 11 7.04437e-02 9.26315e-03 229
2014 12 6.80205e-02 6.13911e-03 176
2015  1 8.13775e-02 1.54827e-02 160
2015  2 7.69115e-02 1.90241e-02 208
2015  3 6.37812e-02 8.73625e-03 128
2015  4 6.03344e-02 1.27968e-03 64
2015  5 4.93115e-02 1.27369e-02 192
2015  6 5.59275e-02 1.19612e-02 160
2015  7 9.16710e-02 1.97444e-02 107
2015  8 6.55783e-02 1.47432e-02 194
2015  9 5.72306e-02 9.44256e-03 157
2015 10 6.82922e-02 1.45118e-02 167
2015 11 9.63514e-02 1.70979e-02 173
2015 12 7.02783e-02 9.42790e-03 115
2016  1 7.90000e-02 7.32363e-03 128
2016  2 1.86310e-01 1.00315e-01 269
2016  3 1.38706e-01 4.05756e-02 144
2016  4 1.45312e-01 5.07357e-02 144
2016  5 9.50740e-02 3.07311e-02 192
2016  6 1.00816e-01 3.27304e-02 74
2016  7 1.67381e-01 4.16636e-02 105
2016  8 6.45099e-02 8.86783e-03 182
2016  9 6.18299e-02 1.09735e-02 221
2016 10 5.91363e-02 7.74077e-03 289
2016 11 5.98196e-02 5.77783e-03 214
2016 12 6.27682e-02 4.95189e-03 176
2017  1 1.13726e-01 4.70804e-02 144
2017  2 9.96289e-02 1.58568e-02 256
2017  3 7.17534e-02 9.31440e-03 176
2017  4 7.31025e-02 1.02064e-02 160
2017  5 1.26056e-01 4.29217e-02 174
2017  6 7.23312e-02 8.98433e-03 96
2017  7 2.00110e-01 1.64192e-01 134
2017  8 1.58698e-01 4.85100e-02 96
2017  9 8.53914e-02 2.23245e-02 208
2017 10 8.41286e-02 3.05282e-02 224
2017 11 6.17500e-02 1.05908e-02 240
2017 12 7.55752e-02 1.23663e-02 137
2018  1 8.64521e-02 1.51828e-02 215
2018  2 5.89757e-02 1.05295e-02 115
2018  3 6.16583e-02 1.45021e-02 230
2018  4 6.76482e-02 3.01047e-02 257
2018  5 9.81167e-02 2.85657e-02 192
2018  6 9.73518e-02 2.82253e-02 112
2018  7 8.12589e-02 7.84887e-03 112
2018  8 8.15328e-02 1.09766e-02 119
2018  9 6.66354e-02 1.14996e-02 175
2018 10 8.69984e-02 3.07939e-02 256
2018 11 9.25250e-02 1.67211e-02 80
2018 12 1.09843e-01 3.64923e-02 106
2019  1 1.82765e-01 5.95490e-02 160
2019  2 1.22427e-01 3.00978e-02 52
2019  3 7.56729e-02 1.05562e-02 192
2019  4 7.23110e-02 1.11013e-02 146
2019  5 1.06153e-01 4.41023e-02 207
2019  6 1.63921e-01 2.54752e-02 127
2019  7 1.77516e-01 7.68092e-02 122
2019  8 1.42025e-01 5.67839e-02 122
2019  9 1.03989e-01 2.45587e-02 282
2019 10 7.32637e-02 9.89503e-03 160
2019 11 6.53186e-02 9.62532e-03 172
2019 12 7.14125e-02 7.46544e-03 176
2020  1 7.60196e-02 5.54488e-03 112
2020  2 8.51550e-02 2.01746e-02 160
2020  3 9.89958e-02 2.62188e-02 96
2020  4 1.41606e-01 3.87824e-02 128
2020  5 2.09800e-01 1.84694e-01 128
2020  6 4.47357e-02 4.00234e-03 112
2020  7 8.79537e-02 1.37852e-02 95
2020  8 1.15002e-01 3.72452e-02 81
2020  9 1.50325e-01 1.82301e-01 112
2020 10 1.03054e-01 5.07808e-02 160
2020 11 7.51973e-02 1.91795e-02 224
2020 12 7.09607e-02 5.89772e-03 224
2021  1 8.62917e-02 1.18572e-02 144
2021  2 1.28919e-01 6.54508e-02 96
2021  3 7.62268e-02 1.49064e-02 112
2021  4 4.64568e-02 9.89580e-03 176
2021  5 5.50252e-02 1.85475e-02 143
2021  6 9.66150e-02 5.45526e-02 80
2021  7 2.53200e-01 1.72300e-01 106
2021  8 1.41290e-01 9.51939e-02 96
2021  9 8.74766e-02 4.00857e-02 128
2021 10 8.38180e-02 1.88440e-02 144
2021 11 8.64920e-02 1.93769e-02 250
2021 12 6.82645e-02 3.42742e-03 93
2022  1 9.44490e-02 2.05449e-02 192
2022  2 7.50315e-02 9.66473e-03 178
2022  3 6.34986e-02 6.89174e-03 144
2022  4 6.93125e-02 1.09232e-02 64
2022  5 4.50746e-02 6.41693e-03 126
2022  6 5.96300e-02 1.53131e-02 160
2022  7 5.87481e-02 2.21216e-02 104
2022  8 9.74693e-02 1.35164e-02 127
2022  9 6.03675e-02 1.33092e-02 240
2022 10 6.17952e-02 4.79398e-03 289
2022 11 6.52729e-02 1.13606e-02 192
2022 12 6.51274e-02 5.43396e-03 124
2023  1 6.79318e-02 8.32606e-03 170
2023  2 7.38062e-02 1.17524e-02 193
2023  3 1.12476e-01 4.85844e-02 95
2023  4 5.68125e-02 6.20422e-03 32
2023  5 4.58114e-02 1.00282e-02 176
2023  6 5.24925e-02 1.12177e-02 80
2023  7 9.71162e-02 1.73006e-02 160
2023  8 7.68094e-02 1.13663e-02 192
2023  9 1.05399e-01 1.98586e-02 139
2023 10 7.61909e-02 1.13306e-02 197
2023 11 7.58852e-02 6.97641e-03 176
2023 12 7.54389e-02 7.96636e-03 144
2024  1 8.38875e-02 7.68061e-03 80
2024  2 1.06593e-01 2.67872e-02 109
2024  3 7.69750e-02 6.14476e-03 64
2024  4 7.52625e-02 1.98774e-03 32