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 4.03393e-02 2.92768e-03 112
2002  8 4.90865e-02 3.42756e-03 111
2002  9 6.44600e-02 3.31637e-02 80
2002 10 6.92389e-02 3.70212e-02 144
2002 11 6.91388e-02 1.69854e-02 160
2002 12 8.86500e-02 2.47637e-02 160
2003  1 1.71882e-01 1.69752e-01 255
2003  2 8.90142e-02 1.39118e-02 113
2003  3 8.85131e-02 2.14490e-02 99
2003  4 9.27104e-02 1.36721e-02 125
2003  5 5.43125e-02 5.19457e-03 64
2003  6 1.07925e-01 1.67826e-02 64
2003  7 7.79839e-02 1.07670e-02 112
2003  8 7.76162e-02 1.04069e-02 74
2003  9 7.79765e-02 1.54848e-02 145
2003 10 7.26312e-02 3.77783e-02 192
2003 11 5.75639e-02 1.12969e-02 227
2003 12 9.22208e-02 3.15564e-02 192
2004  1 7.18782e-02 9.18540e-03 133
2004  2 7.20700e-02 1.56413e-02 80
2004  3 7.62973e-02 2.27042e-02 261
2004  4 6.85681e-02 7.35027e-03 144
2004  5 4.54117e-02 6.81875e-03 188
2004  6 7.69419e-02 1.05018e-02 62
2004  7 5.38750e-02 4.65826e-03 48
2004  8 7.58813e-02 1.48608e-02 96
2004  9 1.31829e-01 1.14646e-01 189
2004 10 7.71708e-02 2.41910e-02 96
2004 11 8.13768e-02 1.82873e-02 112
2004 12 8.68862e-02 8.83727e-03 116
2005  1 8.59625e-02 1.25416e-02 160
2005  2 9.02344e-02 1.91566e-02 128
2005  3 8.26750e-02 9.69619e-03 168
2005  4 8.17062e-02 3.48808e-02 128
2005  5 6.25250e-02 7.81972e-03 120
2005  6 6.03304e-02 1.23445e-02 112
2005  7 6.76875e-02 3.10265e-02 144
2005  8 6.26000e-02 1.29321e-02 48
2005  9 7.75927e-02 1.71766e-02 192
2005 10 5.91604e-02 1.11707e-02 268
2005 11 6.97301e-02 1.57397e-02 246
2005 12 8.38672e-02 1.53302e-02 128
2006  1 8.55500e-02 1.87833e-02 144
2006  2 8.87989e-02 1.39838e-02 174
2006  3 6.13186e-02 7.52504e-03 194
2006  4 4.65045e-02 5.96889e-03 176
2006  5 6.42375e-02 1.15036e-02 160
2006  6 6.89216e-02 2.18052e-02 176
2006  7 4.38429e-02 4.08704e-03 56
2006  8 4.19890e-02 6.61322e-03 146
2006  9 5.17443e-02 6.65371e-03 158
2006 10 6.01827e-02 8.40349e-03 254
2006 11 7.27116e-02 1.54431e-02 224
2006 12 7.08780e-02 6.83914e-03 164
2007  1 7.48630e-02 1.24230e-02 92
2007  2 7.25089e-02 6.66874e-03 112
2007  3 6.73234e-02 1.15071e-02 256
2007  4 6.01431e-02 1.23088e-02 144
2007  5 5.17583e-02 7.55171e-03 96
2007  6 4.20772e-02 4.34924e-03 127
2007  7 5.00375e-02 6.15116e-03 112
2007  8 4.67265e-02 3.13367e-03 49
2007  9 5.49876e-02 1.23087e-02 113
2007 10 7.25413e-02 1.13206e-02 208
2007 11 6.94675e-02 5.87230e-03 240
2007 12 6.71679e-02 5.59846e-03 106
2008  1 7.64859e-02 8.01837e-03 128
2008  2 7.16553e-02 1.85483e-02 228
2008  3 8.53545e-02 1.84594e-02 145
2008  4 6.05062e-02 1.19872e-02 128
2008  5 7.73374e-02 3.96712e-02 99
2008  6 1.18380e-01 3.49484e-02 127
2008  7 1.02068e-01 1.22423e-02 76
2008  8 6.92667e-02 3.70053e-03 96
2008  9 5.87716e-02 1.19902e-02 190
2008 10 7.38956e-02 1.69895e-02 184
2008 11 6.70250e-02 8.62431e-03 256
2008 12 6.92587e-02 7.21273e-03 126
2009  1 8.88913e-02 1.36824e-02 208
2009  2 9.32849e-02 2.30755e-02 146
2009  3 7.85476e-02 2.94861e-02 149
2009  4 9.35547e-02 2.60274e-02 128
2009  5 5.98641e-02 1.49331e-02 128
2009  6 9.59462e-02 2.48657e-02 160
2009  7 6.27350e-02 8.13602e-03 80
2009  8 5.42571e-02 5.04448e-03 112
2009  9 4.92938e-02 3.70606e-03 162
2009 10 6.24609e-02 1.53301e-02 161
2009 11 6.33450e-02 1.26726e-02 160
2009 12 8.71187e-02 1.02390e-02 64
2010  1 8.47559e-02 1.21227e-02 145
2010  2 2.19513e-01 1.02061e-01 113
2010  3 1.77819e-01 5.97977e-02 160
2010  4 9.41454e-02 1.48288e-02 176
2010  5 7.51066e-02 1.19947e-02 137
2010  6 9.58273e-02 2.02268e-02 176
2010  7 5.43798e-02 6.72321e-03 119
2010  8 6.81417e-02 4.66404e-03 48
2010  9 7.48718e-02 1.07847e-02 220
2010 10 5.74217e-02 8.09008e-03 332
2010 11 7.13088e-02 1.04367e-02 193
2010 12 1.06418e-01 4.10175e-02 208
2011  1 1.01755e-01 4.20382e-02 157
2011  2 8.31396e-02 1.13524e-02 192
2011  3 7.11927e-02 1.87790e-02 192
2011  4 5.98625e-02 4.71730e-03 128
2011  5 7.61510e-02 3.04058e-02 192
2011  6 1.00505e-01 2.43346e-02 130
2011  7 8.50773e-02 2.21320e-02 119
2011  8 9.56272e-02 2.23840e-02 184
2011  9 8.21641e-02 1.69340e-02 195
2011 10 6.42212e-02 9.33710e-03 293
2011 11 7.55310e-02 5.90867e-03 113
2011 12 7.65312e-02 1.02806e-02 157
2012  1 8.41448e-02 1.65619e-02 192
2012  2 7.19949e-02 5.45837e-03 39
2012  3 5.37489e-02 1.23084e-02 176
2012  4 4.92966e-02 8.45356e-03 176
2012  5 4.19847e-02 6.51140e-03 144
2012  6 4.98458e-02 4.44180e-03 96
2012  7 4.74937e-02 2.72189e-03 64
2012  8 6.27138e-02 7.36862e-03 65
2012  9 5.91179e-02 1.57793e-02 151
2012 10 6.18898e-02 9.74069e-03 254
2012 11 8.23115e-02 1.49422e-02 251
2012 12 6.59208e-02 9.67158e-03 96
2013  1 6.92083e-02 5.00407e-03 96
2013  2 7.92750e-02 9.63000e-03 96
2013  3 1.41618e-01 9.85130e-02 186
2013  4 5.37167e-02 2.33501e-02 96
2013  5 6.20275e-02 1.43256e-02 160
2013  6 6.57804e-02 1.75579e-02 92
2013  7 8.62229e-02 3.11230e-02 96
2013  8 1.09783e-01 4.16251e-02 130
2013  9 7.04600e-02 1.71183e-02 170
2013 10 5.80841e-02 6.62435e-03 164
2013 11 6.79931e-02 7.77619e-03 144
2013 12 6.76036e-02 6.92583e-03 112
2014  1 7.55234e-02 1.62505e-02 128
2014  2 9.19275e-02 2.14013e-02 160
2014  3 7.41206e-02 6.51125e-03 146
2014  4 5.87282e-02 8.79995e-03 103
2014  5 9.38500e-02 1.38357e-02 176
2014  6 1.60520e-01 2.22095e-01 176
2014  7 1.01008e-01 2.69059e-02 76
2014  8 5.70675e-02 5.14217e-03 160
2014  9 4.76803e-02 5.05957e-03 147
2014 10 5.37566e-02 7.77775e-03 304
2014 11 7.52192e-02 1.44502e-02 208
2014 12 7.42443e-02 1.53288e-02 176
2015  1 7.76891e-02 1.11388e-02 137
2015  2 7.95707e-02 1.20831e-02 164
2015  3 6.41400e-02 1.05369e-02 80
2015  4 4.92432e-02 2.14760e-03 37
2015  5 4.25084e-02 5.23838e-03 190
2015  6 5.24568e-02 6.82252e-03 176
2015  7 7.42423e-02 2.03269e-02 156
2015  8 5.48139e-02 7.00847e-03 144
2015  9 5.13620e-02 1.27995e-03 142
2015 10 8.04990e-02 2.54526e-02 208
2015 11 7.84158e-02 1.33027e-02 152
2015 12 7.99500e-02 7.96208e-03 112
2016  1 8.63403e-02 1.49433e-02 144
2016  2 1.28692e-01 4.55069e-02 253
2016  3 1.19911e-01 4.06152e-02 112
2016  4 1.34282e-01 9.85416e-02 144
2016  5 7.84045e-02 1.72155e-02 176
2016  6 7.94480e-02 3.85000e-02 150
2016  7 1.64996e-01 4.60852e-02 144
2016  8 5.89656e-02 6.57605e-03 128
2016  9 5.51326e-02 6.67824e-03 184
2016 10 5.26846e-02 5.11196e-03 272
2016 11 5.62500e-02 6.98496e-03 224
2016 12 6.65023e-02 4.71120e-03 176
2017  1 8.48958e-02 3.73682e-02 144
2017  2 9.20510e-02 1.76742e-02 208
2017  3 7.11716e-02 1.14710e-02 176
2017  4 7.54784e-02 2.51583e-02 148
2017  5 1.05050e-01 2.67917e-02 128
2017  6 6.73509e-02 8.86739e-03 57
2017  7 7.82614e-02 1.97648e-02 176
2017  8 1.23668e-01 6.99582e-02 80
2017  9 8.54057e-02 1.11235e-02 139
2017 10 8.29406e-02 1.49553e-02 219
2017 11 5.88871e-02 7.10142e-03 209
2017 12 7.84607e-02 1.17721e-02 112
2018  1 8.91416e-02 1.45985e-02 185
2018  2 5.68875e-02 1.18228e-02 80
2018  3 5.52307e-02 1.10623e-02 176
2018  4 5.49724e-02 1.03845e-02 203
2018  5 7.11628e-02 1.15395e-02 129
2018  6 8.62400e-02 1.50662e-02 80
2018  7 7.27875e-02 4.20611e-03 80
2018  8 6.64125e-02 6.48740e-03 160
2018  9 5.47807e-02 8.21021e-03 207
2018 10 9.08622e-02 4.77147e-02 270
2018 11 9.91583e-02 2.78759e-02 96
2018 12 9.68208e-02 1.92767e-02 96
2019  1 1.73269e-01 4.97684e-02 160
2019  2 7.95969e-02 9.81552e-03 64
2019  3 8.40346e-02 1.39339e-02 208
2019  4 7.51844e-02 5.25587e-03 128
2019  5 6.83175e-02 7.18002e-03 240
2019  6 8.57875e-02 3.26089e-02 96
2019  7 1.16371e-01 3.68307e-02 126
2019  8 6.44186e-02 6.44206e-03 86
2019  9 9.93111e-02 2.10058e-02 288
2019 10 6.64923e-02 9.16594e-03 143
2019 11 6.97156e-02 1.30263e-02 192
2019 12 8.08143e-02 3.32068e-03 112
2020  1 7.49679e-02 8.79292e-03 112
2020  2 7.33586e-02 9.58223e-03 140
2020  3 8.41333e-02 1.91103e-02 105
2020  4 1.21162e-01 5.04972e-02 176
2020  5 1.19890e-01 5.84940e-02 154
2020  6 5.91810e-02 1.58058e-02 95
2020  7 7.60800e-02 2.09524e-02 80
2020  8 7.37844e-02 1.95666e-02 77
2020  9 9.10412e-02 2.10332e-02 102
2020 10 1.03559e-01 4.67668e-02 227
2020 11 8.93631e-02 2.28449e-02 195
2020 12 8.22705e-02 1.43653e-02 224
2021  1 8.63312e-02 1.68670e-02 128
2021  2 9.86732e-02 2.26248e-02 82
2021  3 6.86239e-02 9.70585e-03 134
2021  4 5.17545e-02 1.15856e-02 176
2021  5 4.51234e-02 8.32054e-03 128
2021  6 5.04138e-02 7.33267e-03 87
2021  7 7.14847e-02 1.79181e-02 144
2021  8 9.07485e-02 3.72850e-02 167
2021  9 6.46589e-02 1.72626e-02 112
2021 10 8.03750e-02 3.68052e-02 144
2021 11 7.58875e-02 1.86973e-02 240
2021 12 6.57158e-02 5.50979e-03 114
2022  1 8.41788e-02 6.85487e-03 160
2022  2 7.05949e-02 1.72365e-02 196
2022  3 6.25000e-02 6.31387e-03 208
2022  4 5.58583e-02 6.44657e-03 48
2022  5 3.76151e-02 6.42082e-03 159
2022  6 4.41352e-02 1.27476e-02 176
2022  7 4.48974e-02 6.87146e-03 115
2022  8 9.89096e-02 4.97045e-02 157
2022  9 6.02439e-02 9.44830e-03 223
2022 10 5.78059e-02 7.81388e-03 272
2022 11 6.90485e-02 1.39118e-02 169
2022 12 6.63405e-02 6.32273e-03 158
2023  1 6.33937e-02 9.67936e-03 192
2023  2 7.58935e-02 4.38276e-02 154
2023  3 7.69089e-02 1.19500e-02 112
2023  4 4.94625e-02 5.07431e-03 96
2023  5 4.14929e-02 6.01011e-03 112
2023  6 5.28466e-02 1.27043e-02 73
2023  7 7.81312e-02 1.05292e-02 160
2023  8 7.47525e-02 1.43409e-02 160
2023  9 9.47426e-02 1.35724e-02 136
2023 10 6.53682e-02 6.14080e-03 176
2023 11 7.68114e-02 6.64372e-03 176
2023 12 7.90732e-02 1.15570e-02 112
2024  1 7.76306e-02 5.93928e-03 111
2024  2 1.04172e-01 2.68543e-02 128
2024  3 7.86325e-02 6.38008e-03 80
2024  4 6.17429e-02 1.81648e-03 28