# date (year)	 area (km^2)
    2013.822	       0.000
    2013.847	       0.163
    2014.022	      -0.662
    2014.047	      -0.259
    2014.085	      -0.980
    2014.134	      -0.681
    2014.260	      -1.860
    2014.285	      -1.894
    2014.304	      -1.791
    2014.636	      -1.948
    2014.660	      -1.894
    2014.742	      -2.147
    2014.786	      -2.419
    2014.811	      -2.203
    2014.830	      -2.133
    2014.855	      -1.882
    2014.923	      -1.319
    2014.967	      -1.698
    2014.986	      -1.798
    2015.005	      -2.100
    2015.049	      -1.822
    2015.099	      -1.578
    2015.268	      -2.180
    2015.293	      -2.092
    2015.312	      -2.124
    2015.644	      -1.205
    2015.663	      -1.816
    2015.707	      -1.783
    2015.712	      -1.508
    2015.775	      -1.381
    2015.800	      -0.930
    2015.838	      -1.492
    2015.844	      -1.279
    2015.863	      -1.241
    2015.882	      -1.169
    2015.926	      -1.402
    2015.932	      -1.212
    2016.014	      -1.267
    2016.019	      -1.253
    2016.057	      -1.726
    2016.101	      -2.060
    2016.194	      -1.290
    2016.213	      -1.236
    2016.232	      -1.967
    2016.257	      -1.646
    2016.301	      -1.300
    2016.626	      -0.905
    2016.650	      -0.462
    2016.669	      -0.837
    2016.713	      -0.519
    2016.719	      -0.697
    2016.757	      -0.475
    2016.762	      -0.286
    2016.801	      -0.309
    2016.825	       0.037
    2016.844	       0.121
    2016.937	      -1.958
    2016.956	      -2.058
    2017.000	      -2.697
    2017.175	      -2.749
    2017.238	      -3.159
    2017.288	      -2.911
    2017.307	      -2.925
    2017.633	      -2.651
    2017.658	      -2.518
    2017.701	      -2.857
    2017.721	      -2.815
    2017.726	      -2.681
    2017.745	      -2.745
    2017.764	      -2.765
    2017.770	      -2.524
    2017.877	      -2.905
    2017.921	      -2.559
    2017.964	      -2.942
    2018.115	      -3.291
    2018.159	      -3.037
    2018.208	      -3.136
    2018.252	      -3.012
    2018.290	      -3.394
    2018.666	      -3.221
    2018.685	      -3.167
    2018.690	      -2.993
    2018.753	      -3.215
    2018.797	      -3.086
    2018.816	      -3.165
    2018.860	      -3.232
    2018.904	      -3.074
    2018.929	      -2.834
    2018.992	      -3.448
    2019.041	      -3.449
    2019.085	      -3.451
    2019.104	      -3.500
    2019.123	      -3.557
    2019.192	      -3.635
    2019.299	      -3.952
    2019.304	      -3.647
    2019.674	      -3.433
    2019.693	      -3.704
    2019.742	      -3.370
    2019.762	      -3.405
    2019.781	      -3.492
    2019.786	      -3.313
    2019.912	      -3.648
    2019.918	      -3.343
    2019.962	      -3.457
    2020.000	      -3.595
    2020.112	      -3.829
    2020.180	      -3.803
    2020.262	      -4.107
    2020.287	      -4.348
    2020.306	      -4.419
    2020.311	      -4.132
    2020.656	      -3.782
    2020.661	      -3.474
    2020.680	      -3.471
    2020.699	      -3.459
    2020.724	      -3.617
    2020.743	      -3.823
    2020.749	      -3.565
    2020.768	      -3.580
    2020.792	      -3.492
    2020.831	      -3.417
    2020.855	      -3.197
    2020.880	      -3.510
    2020.923	      -3.457
    2020.967	      -3.649
    2021.049	      -4.075
    2021.055	      -3.827
    2021.093	      -4.214
    2021.142	      -4.027
    2021.162	      -4.041
    2021.205	      -4.289
    2021.225	      -4.266
    2021.249	      -4.133
    2021.293	      -3.813
    2021.625	      -3.991
    2021.688	      -4.023
    2021.707	      -3.940
    2021.712	      -3.700
    2021.775	      -3.954
    2021.795	      -4.252
    2021.800	      -4.019
    2021.819	      -4.039
    2021.838	      -4.061
    2021.844	      -3.736
    2021.863	      -3.726
    2021.882	      -3.824
    2021.888	      -3.523
    2021.896	      -3.425
    2021.929	      -3.831
    2021.932	      -3.679
    2021.948	      -3.796
    2021.951	      -3.717
    2021.953	      -3.540
    2021.970	      -4.065
    2021.973	      -3.922
    2021.975	      -3.772
    2021.992	      -3.970
    2022.019	      -3.548
    2022.041	      -3.888
    2022.058	      -4.171
    2022.107	      -3.959
    2022.126	      -4.173
    2022.145	      -4.204
    2022.170	      -4.089
    2022.173	      -4.003
    2022.189	      -4.431
    2022.211	      -4.318
    2022.214	      -4.246
    2022.216	      -3.804
    2022.255	      -4.062
    2022.258	      -4.310
    2022.260	      -4.194
    2022.627	      -4.783
    2022.630	      -4.633
    2022.633	      -4.509
    2022.652	      -4.539
    2022.671	      -4.519
    2022.718	      -4.460
    2022.762	      -4.512
    2022.805	      -4.436
    2022.808	      -4.230
    2022.827	      -4.267
    2022.847	      -4.237
    2022.849	      -4.387
    2022.868	      -4.487
    2022.874	      -4.394
    2022.890	      -4.531
    2022.915	      -4.243
    2022.918	      -4.152
    2022.934	      -4.381
    2022.956	      -4.339
    2022.978	      -4.487
    2023.000	      -4.615
    2023.025	      -4.456
    2023.044	      -4.470
    2023.088	      -4.701
    2023.093	      -4.410
    2023.137	      -4.499
    2023.175	      -4.682
    2023.200	      -4.777
    2023.203	      -4.643
    2023.244	      -4.799
    2023.247	      -4.710
    2023.307	      -4.640
    2023.312	      -4.502
