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 4.84264e-02 4.07435e-03 121
2002  8 5.09703e-02 3.02738e-03 128
2002  9 1.44777e-01 8.78980e-02 96
2002 10 1.04703e-01 3.37447e-02 144
2002 11 1.42952e-01 5.63621e-02 190
2002 12 1.24536e-01 1.84158e-02 176
2003  1 2.13028e-01 1.69084e-01 224
2003  2 1.15745e-01 3.73987e-02 160
2003  3 1.47241e-01 4.54557e-02 128
2003  4 1.14072e-01 3.23168e-02 120
2003  5 8.72525e-02 3.29596e-02 80
2003  6 1.04476e-01 1.01922e-02 50
2003  7 8.96210e-02 1.92222e-02 95
2003  8 8.98603e-02 3.81100e-02 126
2003  9 7.47495e-02 2.13478e-02 202
2003 10 9.65191e-02 3.07627e-02 183
2003 11 6.76543e-02 1.37996e-02 269
2003 12 1.01432e-01 2.04546e-02 232
2004  1 7.65583e-02 1.15016e-02 139
2004  2 7.91225e-02 7.05269e-03 80
2004  3 8.27331e-02 4.37608e-02 242
2004  4 7.69050e-02 1.76406e-02 160
2004  5 5.42675e-02 8.02190e-03 160
2004  6 9.90917e-02 3.34101e-02 48
2004  7 8.93854e-02 1.87928e-02 96
2004  8 8.11275e-02 1.34068e-02 80
2004  9 1.46240e-01 1.27459e-01 192
2004 10 9.74797e-02 3.11918e-02 128
2004 11 1.30582e-01 3.76050e-02 147
2004 12 1.28286e-01 1.52027e-02 142
2005  1 9.33557e-02 1.76973e-02 167
2005  2 9.44958e-02 1.15645e-02 96
2005  3 8.57014e-02 1.27462e-02 144
2005  4 1.97657e-01 4.21110e-02 112
2005  5 1.02397e-01 2.79246e-02 128
2005  6 7.60035e-02 1.53060e-02 115
2005  7 1.15690e-01 5.81619e-02 134
2005  8 1.17227e-01 1.18477e-01 80
2005  9 8.12530e-02 2.10272e-02 132
2005 10 1.00619e-01 2.26957e-02 304
2005 11 7.48481e-02 1.44012e-02 208
2005 12 7.38708e-02 7.81645e-03 144
2006  1 9.02813e-02 1.55313e-02 160
2006  2 9.86486e-02 1.79779e-02 144
2006  3 6.74293e-02 6.44175e-03 225
2006  4 5.57427e-02 5.79492e-03 192
2006  5 6.82330e-02 1.51114e-02 176
2006  6 8.37279e-02 2.58632e-02 136
2006  7 5.09905e-02 4.53199e-03 63
2006  8 5.49187e-02 3.92201e-03 96
2006  9 6.79818e-02 7.51841e-03 176
2006 10 7.44815e-02 1.46119e-02 260
2006 11 9.50800e-02 1.90225e-02 240
2006 12 7.97818e-02 1.58071e-02 176
2007  1 8.18667e-02 1.48170e-02 96
2007  2 7.10344e-02 5.78684e-03 128
2007  3 6.56933e-02 1.12800e-02 208
2007  4 7.21566e-02 1.13711e-02 129
2007  5 5.88854e-02 6.78888e-03 96
2007  6 5.03375e-02 4.53306e-03 80
2007  7 1.30716e-01 6.10271e-02 64
2007  8 5.22391e-02 5.72337e-03 128
2007  9 8.88713e-02 8.38553e-02 129
2007 10 1.02791e-01 3.06525e-02 255
2007 11 7.45116e-02 9.27944e-03 224
2007 12 6.91961e-02 8.56500e-03 153
2008  1 9.35521e-02 1.12479e-02 96
2008  2 7.46208e-02 9.94175e-03 192
2008  3 1.23401e-01 2.67813e-02 172
2008  4 8.60667e-02 6.76129e-03 144
2008  5 1.18972e-01 5.29309e-02 122
2008  6 1.17230e-01 2.76588e-02 152
2008  7 1.02407e-01 1.96885e-02 60
2008  8 7.67422e-02 1.35961e-02 128
2008  9 7.90898e-02 8.38689e-03 176
2008 10 7.39077e-02 1.30585e-02 208
2008 11 6.14243e-02 7.26941e-03 272
2008 12 8.08071e-02 2.02649e-02 113
2009  1 9.92604e-02 1.76666e-02 192
2009  2 1.31558e-01 3.05491e-02 96
2009  3 8.85776e-02 2.80271e-02 143
2009  4 1.49862e-01 7.59727e-02 112
2009  5 8.51915e-02 2.25343e-02 71
2009  6 1.01935e-01 1.86520e-02 96
2009  7 5.35300e-02 4.25630e-03 80
2009  8 5.68042e-02 2.81676e-03 96
2009  9 5.86911e-02 8.51750e-03 112
2009 10 9.88115e-02 2.56561e-02 192
2009 11 9.75491e-02 1.77435e-02 224
2009 12 1.71235e-01 9.62659e-02 63
2010  1 1.27462e-01 5.04104e-02 159
2010  2 2.53742e-01 1.08291e-01 176
2010  3 2.74145e-01 2.35353e-01 161
2010  4 1.63700e-01 4.99665e-02 192
2010  5 8.76083e-02 1.29398e-02 144
2010  6 1.29824e-01 5.25723e-02 143
2010  7 6.90911e-02 9.79081e-03 112
2010  8 7.70316e-02 6.91521e-03 38
2010  9 7.09930e-02 8.42352e-03 201
2010 10 7.43594e-02 1.62781e-02 345
2010 11 8.83236e-02 1.08508e-02 144
2010 12 1.25388e-01 3.84017e-02 224
2011  1 1.42497e-01 6.60397e-02 210
2011  2 9.49443e-02 2.13826e-02 176
2011  3 8.04523e-02 1.32327e-02 176
2011  4 2.23750e-01 3.45923e-01 131
2011  5 9.54224e-02 3.48221e-02 250
2011  6 1.12245e-01 3.18121e-02 111
2011  7 8.68165e-02 1.52515e-02 109
2011  8 1.03529e-01 2.29535e-02 144
2011  9 9.45313e-02 1.32315e-02 160
2011 10 8.47805e-02 1.72983e-02 287
2011 11 7.90420e-02 9.38862e-03 176
2011 12 7.69941e-02 8.03423e-03 136
2012  1 9.89923e-02 3.53414e-02 208
2012  2 7.13741e-02 5.57854e-03 54
2012  3 6.56739e-02 1.59023e-02 176
2012  4 5.76637e-02 6.14137e-03 179
2012  5 5.72750e-02 8.96772e-03 112
2012  6 5.54047e-02 5.28065e-03 128
2012  7 5.67025e-02 4.51475e-03 80
2012  8 7.89375e-02 4.12766e-03 80
2012  9 9.43512e-02 3.42389e-02 160
2012 10 8.67747e-02 1.41955e-02 293
2012 11 9.15763e-02 1.71759e-02 287
2012 12 7.26471e-02 1.00121e-02 140
2013  1 7.11236e-02 5.84077e-03 89
2013  2 6.80687e-02 4.43998e-03 128
2013  3 1.99343e-01 8.87295e-02 160
2013  4 1.07847e-01 2.03402e-02 64
2013  5 9.48872e-02 4.99968e-02 172
2013  6 7.55578e-02 1.50025e-02 109
2013  7 7.41344e-02 1.40860e-02 128
2013  8 1.09843e-01 3.36759e-02 107
2013  9 8.96010e-02 2.59348e-02 208
2013 10 7.53733e-02 8.76263e-03 240
2013 11 8.81469e-02 1.35177e-02 128
2013 12 7.64169e-02 1.08436e-02 118
2014  1 9.45391e-02 2.53290e-02 128
2014  2 1.01787e-01 3.82209e-02 154
2014  3 1.17754e-01 4.64588e-02 144
2014  4 9.82333e-02 1.86347e-02 96
2014  5 1.78265e-01 8.43159e-02 160
2014  6 1.22525e-01 3.78012e-02 96
2014  7 9.14518e-02 3.16966e-02 139
2014  8 5.76906e-02 4.32795e-03 128
2014  9 5.32111e-02 4.75177e-03 144
2014 10 7.39406e-02 8.80184e-03 320
2014 11 9.04857e-02 1.80850e-02 224
2014 12 9.11597e-02 2.09498e-02 144
2015  1 9.11750e-02 1.70165e-02 160
2015  2 7.89219e-02 1.26880e-02 192
2015  3 6.92277e-02 7.74719e-03 101
2015  4 7.04208e-02 8.00783e-03 48
2015  5 6.06229e-02 1.73583e-02 192
2015  6 6.00562e-02 6.52916e-03 128
2015  7 9.03828e-02 3.11288e-02 128
2015  8 6.89374e-02 1.70861e-02 163
2015  9 6.13569e-02 1.17075e-02 144
2015 10 9.63771e-02 2.32961e-02 192
2015 11 1.30795e-01 8.55396e-02 192
2015 12 1.14417e-01 2.07582e-02 96
2016  1 2.24533e-01 1.69109e-01 160
2016  2 1.77947e-01 5.11518e-02 240
2016  3 2.24359e-01 1.67825e-01 140
2016  4 1.86131e-01 9.60629e-02 160
2016  5 1.03513e-01 2.89334e-02 160
2016  6 1.05228e-01 4.16442e-02 149
2016  7 1.44144e-01 1.74906e-02 128
2016  8 6.35370e-02 3.38391e-03 108
2016  9 6.60743e-02 9.55292e-03 226
2016 10 7.26993e-02 8.76372e-03 288
2016 11 6.74094e-02 7.93821e-03 234
2016 12 7.36545e-02 5.82645e-03 176
2017  1 1.11918e-01 4.10536e-02 204
2017  2 1.29385e-01 1.95389e-02 240
2017  3 9.43650e-02 2.11526e-02 160
2017  4 8.68904e-02 1.96163e-02 177
2017  5 1.04333e-01 1.89699e-02 144
2017  6 8.92906e-02 3.86658e-02 64
2017  7 9.45943e-02 3.15823e-02 141
2017  8 9.62577e-02 3.65175e-02 104
2017  9 9.71156e-02 2.83851e-02 192
2017 10 9.98009e-02 1.87890e-02 233
2017 11 8.59102e-02 2.66005e-02 256
2017 12 7.98847e-02 1.42259e-02 144
2018  1 1.00431e-01 3.68634e-02 220
2018  2 6.80104e-02 1.88953e-02 96
2018  3 6.81792e-02 1.24846e-02 192
2018  4 6.82225e-02 1.29494e-02 213
2018  5 9.90354e-02 2.91236e-02 96
2018  6 9.08165e-02 3.03648e-02 85
2018  7 8.07750e-02 6.86770e-03 80
2018  8 7.51437e-02 9.67870e-03 96
2018  9 7.27524e-02 1.54730e-02 168
2018 10 1.06203e-01 4.85034e-02 288
2018 11 1.35810e-01 3.56810e-02 96
2018 12 1.43416e-01 3.79517e-02 128
2019  1 2.62030e-01 1.87701e-01 176
2019  2 1.46689e-01 3.12323e-02 63
2019  3 1.10647e-01 2.15484e-02 176
2019  4 9.05389e-02 1.42831e-02 108
2019  5 7.55489e-02 9.07762e-03 219
2019  6 8.91516e-02 1.43505e-02 91
2019  7 1.15824e-01 2.83012e-02 127
2019  8 8.18891e-02 1.25865e-02 128
2019  9 1.00152e-01 1.85934e-02 313
2019 10 8.03204e-02 1.20839e-02 176
2019 11 8.06228e-02 1.17515e-02 184
2019 12 8.03986e-02 5.70002e-03 144
2020  1 8.25780e-02 9.98225e-03 118
2020  2 8.56819e-02 2.01205e-02 144
2020  3 2.75067e-01 4.24411e-01 99
2020  4 1.60322e-01 7.49542e-02 128
2020  5 1.90244e-01 9.13061e-02 169
2020  6 6.80174e-02 1.71217e-02 92
2020  7 8.50219e-02 1.94200e-02 64
2020  8 8.78550e-02 1.37858e-02 80
2020  9 2.41233e-01 1.39302e-01 96
2020 10 1.59621e-01 4.61514e-02 223
2020 11 1.32002e-01 4.76875e-02 228
2020 12 9.33943e-02 1.96354e-02 209
2021  1 1.00124e-01 1.91602e-02 144
2021  2 9.25729e-02 8.34164e-03 96
2021  3 8.65983e-02 2.29427e-02 116
2021  4 8.60419e-02 3.06567e-02 191
2021  5 7.93691e-02 1.81706e-02 149
2021  6 6.98213e-02 1.05668e-02 47
2021  7 1.17338e-01 6.77499e-02 135
2021  8 1.11520e-01 4.61019e-02 168
2021  9 1.75356e-01 1.50139e-01 128
2021 10 3.23898e-01 5.01478e-01 108
2021 11 9.82748e-02 2.60899e-02 238
2021 12 8.37817e-02 1.29891e-02 153
2022  1 9.31787e-02 8.58410e-03 160
2022  2 7.21577e-02 1.10051e-02 208
2022  3 6.53654e-02 6.14366e-03 208
2022  4 5.38681e-02 6.81928e-03 94
2022  5 5.56875e-02 1.32718e-02 160
2022  6 5.05107e-02 5.43669e-03 159
2022  7 5.36297e-02 9.87241e-03 128
2022  8 9.51318e-02 1.44034e-02 132
2022  9 7.58874e-02 1.09668e-02 231
2022 10 7.51636e-02 9.60085e-03 275
2022 11 7.77953e-02 1.67122e-02 171
2022 12 7.31465e-02 1.15150e-02 127
2023  1 6.49808e-02 8.08522e-03 208
2023  2 7.44597e-02 1.35702e-02 144
2023  3 7.89600e-02 6.22145e-03 80
2023  4 6.62636e-02 8.41464e-03 66
2023  5 4.73552e-02 5.11296e-03 143
2023  6 5.70959e-02 1.26867e-02 73
2023  7 9.27559e-02 2.96098e-02 136
2023  8 8.36775e-02 1.78454e-02 160
2023  9 1.02915e-01 2.26187e-02 144
2023 10 1.06796e-01 3.36447e-02 267
2023 11 9.16338e-02 1.22808e-02 195
2023 12 9.63922e-02 1.50474e-02 103
2024  1 1.08344e-01 2.54154e-02 96
2024  2 1.12425e-01 2.52347e-02 112
2024  3 1.28094e-01 4.80278e-02 96
2024  4 1.05469e-01 2.46067e-02 32