# date (year)	 area (km^2)
    2013.841	       0.000
    2013.904	       0.038
    2013.910	       0.034
    2013.929	       0.073
    2013.948	       0.072
    2013.953	       0.082
    2014.041	       0.131
    2014.055	       0.108
    2014.079	       0.117
    2014.099	       0.114
    2014.104	       0.096
    2014.129	       0.032
    2014.192	       0.021
    2014.216	      -0.049
    2014.230	      -0.064
    2014.255	      -0.073
    2014.260	      -0.048
    2014.279	      -0.242
    2014.649	      -0.126
    2014.655	       0.052
    2014.718	      -0.109
    2014.737	      -0.070
    2014.742	      -0.052
    2014.781	      -0.047
    2014.893	       0.102
    2014.912	       0.084
    2015.025	       0.042
    2015.044	       0.062
    2015.093	       0.030
    2015.156	       0.053
    2015.195	       0.040
    2015.200	       0.008
    2015.682	      -0.188
    2015.707	      -0.078
    2015.795	      -0.201
    2015.838	      -0.092
    2015.877	      -0.087
    2015.989	      -0.012
    2016.033	      -0.079
    2016.057	      -0.067
    2016.120	      -0.090
    2016.145	      -0.170
    2016.232	      -0.177
    2016.290	      -0.039
    2016.295	      -0.176
    2016.645	      -0.190
    2016.708	      -0.087
    2016.776	      -0.024
    2016.863	       0.103
    2016.883	       0.042
    2016.888	       0.042
    2016.932	       0.107
    2016.951	       0.025
    2016.970	      -0.050
    2016.975	      -0.061
    2017.014	       0.012
    2017.038	       0.029
    2017.101	      -0.134
    2017.164	       0.015
    2017.170	      -0.085
    2017.258	      -0.282
    2017.277	      -0.310
    2017.759	      -0.324
    2017.784	      -0.291
    2017.803	      -0.297
    2017.959	      -0.304
    2017.978	      -0.322
    2017.984	      -0.284
    2018.090	      -0.289
    2018.134	      -0.520
    2018.197	      -0.528
    2018.260	      -0.721
    2018.266	      -0.879
    2018.729	      -0.746
    2018.748	      -0.782
    2018.767	      -0.701
    2018.855	      -0.662
    2018.860	      -0.622
    2018.967	      -0.589
    2018.981	      -0.343
    2019.030	      -0.545
    2019.205	      -0.685
    2019.230	      -0.718
    2019.249	      -0.683
    2019.255	      -0.676
    2019.293	      -0.660
    2019.668	      -0.616
    2019.781	      -0.900
    2019.907	      -0.588
    2019.951	      -0.605
    2019.956	      -0.625
    2019.975	      -0.619
    2020.044	      -0.688
    2020.150	      -1.421
    2020.169	      -1.504
    2020.175	      -1.501
    2020.219	      -1.702
    2020.281	      -1.981
    2020.781	      -2.224
    2020.918	      -2.020
    2021.025	      -1.902
    2021.068	      -2.179
    2021.088	      -2.108
    2021.219	      -2.506
    2021.288	      -2.396
    2021.707	      -2.245
    2021.751	      -2.250
    2021.923	      -2.158
    2022.036	      -2.224
    2022.121	      -2.199
    2022.164	      -2.147
    2022.167	      -2.219
    2022.186	      -2.061
    2022.208	      -2.284
    2022.233	      -2.393
    2022.734	      -2.627
    2022.737	      -2.687
    2022.778	      -2.871
    2022.797	      -2.694
    2022.803	      -2.545
    2022.819	      -2.516
    2022.822	      -2.533
    2022.825	      -2.531
    2022.932	      -2.581
    2022.934	      -2.532
    2022.951	      -2.521
    2022.995	      -2.547
    2023.126	      -2.799
    2023.148	      -2.804
    2023.153	      -2.840
    2023.170	      -2.830
    2023.197	      -2.770
    2023.238	      -2.973
    2023.279	      -2.811
