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 nan nan 0 2002 8 3.32117e-01 1.40561e-02 14 2002 9 3.73797e-01 8.65330e-02 68 2002 10 2.87396e-01 9.27458e-02 127 2002 11 2.48550e-01 6.93707e-02 68 2002 12 2.70322e-01 8.30997e-02 112 2003 1 2.57015e-01 5.27375e-02 156 2003 2 2.69332e-01 1.46924e-01 96 2003 3 2.84067e-01 7.89747e-02 44 2003 4 3.68419e-01 4.57990e-02 16 2003 5 3.24395e-01 6.00394e-02 33 2003 6 3.01254e-01 1.62440e-02 7 2003 7 nan nan 0 2003 8 3.65854e-01 4.13589e-02 31 2003 9 3.39430e-01 3.76750e-02 32 2003 10 3.14898e-01 5.94209e-02 139 2003 11 2.93254e-01 8.11724e-02 78 2003 12 2.94373e-01 5.87660e-02 92 2004 1 2.73887e-01 8.09234e-02 93 2004 2 2.65178e-01 6.49987e-02 115 2004 3 2.83799e-01 1.10592e-01 90 2004 4 3.70876e-01 1.17771e-01 33 2004 5 2.72358e-01 6.94691e-02 35 2004 6 2.68115e-01 6.45315e-02 37 2004 7 3.22741e-01 3.74619e-02 31 2004 8 2.58185e-01 9.01599e-02 31 2004 9 3.33961e-01 3.16810e-02 32 2004 10 2.62599e-01 8.08835e-02 50 2004 11 2.77204e-01 7.35356e-02 103 2004 12 3.12119e-01 1.11850e-01 90 2005 1 2.99060e-01 1.11646e-01 100 2005 2 2.34018e-01 6.11602e-02 96 2005 3 2.49120e-01 9.31813e-02 83 2005 4 2.51644e-01 9.30213e-02 78 2005 5 3.06903e-01 2.50851e-02 32 2005 6 2.83817e-01 3.45223e-02 16 2005 7 3.45100e-01 4.80106e-02 40 2005 8 3.57383e-01 7.38690e-02 25 2005 9 6.95391e-01 3.33362e-01 24 2005 10 2.99416e-01 1.00910e-01 65 2005 11 3.05945e-01 5.75335e-02 112 2005 12 3.02886e-01 1.04380e-01 97 2006 1 2.59167e-01 9.50134e-02 109 2006 2 2.76111e-01 1.89658e-01 159 2006 3 4.47850e-01 2.45834e-01 43 2006 4 3.10020e-01 4.27773e-02 46 2006 5 2.83328e-01 6.22525e-02 47 2006 6 3.21313e-01 7.81371e-03 3 2006 7 3.40356e-01 2.97103e-02 32 2006 8 3.59212e-01 2.74582e-02 8 2006 9 4.27258e-01 2.29836e-01 31 2006 10 2.87792e-01 5.68567e-02 83 2006 11 2.19583e-01 4.78936e-02 80 2006 12 2.41312e-01 7.12648e-02 48 2007 1 2.48507e-01 5.59466e-02 101 2007 2 2.78260e-01 6.45709e-02 82 2007 3 4.92328e-01 3.88002e-01 32 2007 4 2.68495e-01 6.09813e-02 96 2007 5 2.98573e-01 1.02982e-01 54 2007 6 2.63766e-01 3.28870e-02 59 2007 7 2.93947e-01 1.57529e-01 46 2007 8 2.29997e-01 4.22711e-02 32 2007 9 3.09957e-01 2.68004e-02 13 2007 10 4.31323e-01 1.35953e-01 40 2007 11 3.01461e-01 5.19063e-02 105 2007 12 2.35436e-01 8.02602e-02 162 2008 1 2.15602e-01 4.21428e-02 68 2008 2 2.95010e-01 1.11269e-01 126 2008 3 2.45035e-01 5.36884e-02 48 2008 4 2.59598e-01 2.91111e-02 35 2008 5 nan nan 0 2008 6 3.48663e-01 4.76940e-02 18 2008 7 3.60782e-01 3.34545e-02 15 2008 8 3.15792e-01 5.52231e-02 50 2008 9 1.36543e+00 2.08013e-01 11 2008 10 3.45721e-01 9.29821e-02 61 2008 11 3.07326e-01 1.02467e-01 120 2008 12 2.40756e-01 1.12124e-01 77 2009 1 2.52031e-01 5.96518e-02 150 2009 2 2.59402e-01 6.98329e-02 128 2009 3 2.88584e-01 4.93008e-02 64 2009 4 3.08235e-01 3.17856e-02 32 2009 5 2.76943e-01 7.84640e-02 44 2009 6 3.32914e-01 2.62272e-02 16 2009 7 nan nan 0 2009 8 4.49062e-01 1.23687e-01 46 2009 9 3.30160e-01 6.27699e-02 16 2009 10 2.89696e-01 8.79804e-02 126 2009 11 3.33677e-01 1.39929e-01 124 2009 12 3.46824e-01 1.62349e-01 80 2010 1 2.36373e-01 7.81747e-02 97 2010 2 2.69792e-01 7.93247e-02 71 2010 3 3.75790e-01 2.50985e-01 94 2010 4 3.49563e-01 9.00923e-02 41 2010 5 2.89458e-01 5.74509e-02 70 2010 6 3.24059e-01 5.89286e-02 26 2010 7 3.27253e-01 3.57692e-02 36 2010 8 3.47921e-01 1.02870e-01 16 2010 9 3.03206e-01 6.36405e-02 13 2010 10 2.52457e-01 6.31835e-02 110 2010 11 2.95284e-01 7.45824e-02 141 2010 12 2.40557e-01 6.81346e-02 211 2011 1 2.50499e-01 4.92104e-02 56 2011 2 2.13219e-01 4.94102e-02 91 2011 3 3.16895e-01 1.65062e-01 143 2011 4 2.94347e-01 5.78659e-02 46 2011 5 2.91859e-01 3.48813e-02 33 2011 6 2.39387e-01 7.03801e-02 36 2011 7 nan nan 0 2011 8 nan nan 0 2011 9 3.01956e-01 8.69381e-02 43 2011 10 2.80283e-01 6.69458e-02 59 2011 11 2.82609e-01 4.35325e-02 142 2011 12 2.59140e-01 9.59390e-02 158 2012 1 2.41347e-01 6.68798e-02 130 2012 2 2.78450e-01 6.97880e-02 87 2012 3 2.82620e-01 3.17365e-02 48 2012 4 2.27769e-01 1.63370e-02 16 2012 5 3.26778e-01 7.56488e-02 55 2012 6 nan nan 0 2012 7 4.22912e-01 4.41330e-02 12 2012 8 4.09943e-01 8.46564e-02 38 2012 9 3.59691e-01 3.06871e-02 33 2012 10 3.12283e-01 5.44940e-02 123 2012 11 2.40395e-01 6.82653e-02 150 2012 12 1.68322e-01 1.73596e-02 16 2013 1 2.35958e-01 6.58423e-02 90 2013 2 2.68121e-01 7.25323e-02 124 2013 3 2.44091e-01 7.78883e-02 112 2013 4 3.92789e-01 1.47612e-01 51 2013 5 2.99936e-01 4.50982e-02 49 2013 6 3.45208e-01 4.52700e-02 16 2013 7 4.01920e-01 6.33774e-02 53 2013 8 3.18840e-01 1.09136e-02 16 2013 9 3.31051e-01 1.19788e-02 16 2013 10 3.29397e-01 9.12281e-02 167 2013 11 2.64769e-01 9.21560e-02 65 2013 12 2.57761e-01 1.58215e-01 88 2014 1 2.57313e-01 8.45627e-02 106 2014 2 3.33900e-01 1.66182e-01 147 2014 3 2.48615e-01 7.68668e-02 127 2014 4 2.81107e-01 1.17029e-01 69 2014 5 2.98646e-01 8.22248e-02 80 2014 6 2.91708e-01 3.94706e-02 49 2014 7 3.24639e-01 1.39218e-02 16 2014 8 3.67427e-01 7.69696e-02 70 2014 9 nan nan 0 2014 10 3.57093e-01 2.56732e-01 101 2014 11 2.84272e-01 8.29369e-02 100 2014 12 2.60292e-01 1.25280e-01 110 2015 1 2.51294e-01 7.31531e-02 102 2015 2 2.56550e-01 1.00624e-01 124 2015 3 3.00871e-01 7.89055e-02 118 2015 4 1.10861e+00 5.56395e-01 10 2015 5 3.25840e-01 6.74940e-02 64 2015 6 3.60875e-01 7.45329e-02 44 2015 7 2.87870e-01 3.19652e-02 24 2015 8 3.19989e-01 3.35304e-02 54 2015 9 nan nan 0 2015 10 3.72525e-01 1.12035e-01 25 2015 11 3.33662e-01 6.39214e-02 49 2015 12 2.86678e-01 1.19505e-01 38 2016 1 3.19232e-01 9.66973e-02 36 2016 2 2.33111e-01 5.89365e-02 46 2016 3 3.73951e-01 1.09277e-01 49 2016 4 3.31284e-01 6.62225e-02 25 2016 5 4.92160e-01 1.44320e-01 25 2016 6 3.46800e-01 5.73998e-02 32 2016 7 4.33194e-01 9.27291e-02 65 2016 8 3.44048e-01 6.89219e-02 44 2016 9 5.21473e-01 3.22850e-01 74 2016 10 3.26249e-01 6.38493e-02 68 2016 11 2.77837e-01 8.88937e-02 144 2016 12 3.21331e-01 1.10292e-01 80 2017 1 2.82722e-01 8.02974e-02 148 2017 2 3.20497e-01 1.53150e-01 110 2017 3 3.24121e-01 7.05664e-02 124 2017 4 3.10767e-01 4.61262e-02 45 2017 5 3.66661e-01 6.69638e-02 78 2017 6 3.66768e-01 2.72191e-02 14 2017 7 3.71538e-01 5.50540e-02 48 2017 8 3.09991e-01 6.08030e-02 36 2017 9 3.24712e-01 0.00000e+00 4 2017 10 5.75190e-01 8.72296e-02 37 2017 11 4.12124e-01 2.03852e-01 157 2017 12 3.11555e-01 8.21677e-02 236 2018 1 3.78423e-01 8.72790e-02 66 2018 2 3.35429e-01 1.89381e-01 119 2018 3 3.24816e-01 2.77170e-01 139 2018 4 2.40652e-01 2.27084e-02 23 2018 5 2.83079e-01 2.22110e-02 16 2018 6 4.35272e-01 1.80806e-01 19 2018 7 3.36194e-01 3.05816e-02 22 2018 8 3.76270e-01 8.30050e-02 20 2018 9 3.53916e-01 1.00954e-01 126 2018 10 3.19045e-01 6.38566e-02 141 2018 11 2.92659e-01 1.04316e-01 56 2018 12 2.88137e-01 9.90430e-02 115 2019 1 2.33125e-01 8.11512e-02 130 2019 2 2.51968e-01 6.55951e-02 140 2019 3 3.04204e-01 5.92154e-02 53 2019 4 2.99400e-01 5.64189e-02 77 2019 5 3.14086e-01 3.29304e-02 19 2019 6 3.39583e-01 3.06466e-02 28 2019 7 3.00876e-01 6.51969e-02 33 2019 8 3.44022e-01 4.05144e-02 32 2019 9 1.96720e-01 5.34890e-02 18 2019 10 2.25711e-01 6.81918e-02 67 2019 11 2.56056e-01 7.10548e-02 143 2019 12 2.40324e-01 8.78214e-02 90 2020 1 2.92661e-01 1.13139e-01 153 2020 2 2.56727e-01 4.65576e-02 80 2020 3 4.63499e-01 3.10528e-01 35 2020 4 2.73915e-01 7.61672e-03 20 2020 5 3.53216e-01 1.96916e-01 32 2020 6 3.76011e-01 4.14704e-02 36 2020 7 3.25917e-01 1.71045e-02 12 2020 8 3.23462e-01 1.09590e-01 57 2020 9 2.72849e-01 7.87493e-02 56 2020 10 3.84068e-01 1.77346e-01 75 2020 11 2.36821e-01 7.30584e-02 26 2020 12 2.83781e-01 9.45720e-02 138 2021 1 2.78815e-01 5.61215e-02 144 2021 2 2.87197e-01 9.90557e-02 94 2021 3 2.70837e-01 1.58729e-01 111 2021 4 2.94978e-01 3.62034e-02 45 2021 5 3.27074e-01 2.71554e-02 18 2021 6 nan nan 0 2021 7 3.07714e-01 8.38083e-02 79 2021 8 3.25878e-01 3.80951e-02 25 2021 9 2.66771e-01 5.89502e-02 67 2021 10 3.63341e-01 1.11942e-01 32 2021 11 2.42092e-01 7.93474e-02 100 2021 12 2.47189e-01 6.33378e-02 202 2022 1 2.65392e-01 4.58635e-02 106 2022 2 3.02018e-01 1.66948e-01 123 2022 3 3.08359e-01 7.29601e-02 42 2022 4 3.53000e-01 1.13672e-01 3 2022 5 3.01427e-01 6.93944e-02 67 2022 6 3.25452e-01 6.84134e-02 32 2022 7 2.99618e-01 8.61852e-02 48 2022 8 2.89634e-01 1.02883e-01 56 2022 9 2.76958e-01 6.90508e-02 64 2022 10 3.18472e-01 7.18108e-02 80 2022 11 2.26054e-01 4.89963e-02 100 2022 12 2.80044e-01 6.99392e-02 70 2023 1 2.70821e-01 8.25238e-02 171 2023 2 2.73722e-01 6.23054e-02 160 2023 3 2.65949e-01 6.43034e-02 73 2023 4 1.26097e+00 2.24761e-01 5 2023 5 3.47330e-01 9.05806e-02 36 2023 6 3.01429e-01 1.14056e-02 16 2023 7 2.96460e-01 3.75039e-02 31 2023 8 2.38913e-01 5.68551e-02 41 2023 9 3.12968e-01 5.33556e-02 32 2023 10 5.00097e-01 3.16141e-01 58 2023 11 3.22772e-01 7.82372e-02 60 2023 12 3.35018e-01 1.51469e-01 75 2024 1 2.17869e-01 3.89121e-02 32 2024 2 3.15251e-01 2.25937e-01 91 2024 3 2.66223e-01 6.26484e-02 70 2024 4 3.03403e-01 1.81972e-02 16