# date (year)	 area (km^2)
    2013.841	       0.000
    2013.904	       0.398
    2013.929	       0.589
    2013.948	       0.676
    2014.016	       1.033
    2014.079	       1.368
    2014.099	       1.307
    2014.104	       1.372
    2014.142	       0.130
    2014.192	       0.181
    2014.236	       0.218
    2014.255	       0.389
    2014.649	       2.531
    2014.655	       2.095
    2014.674	       1.272
    2014.712	       1.334
    2014.718	       1.567
    2014.737	       1.735
    2014.742	       1.787
    2014.781	       1.858
    2014.786	       1.544
    2014.888	       2.691
    2014.893	       2.346
    2014.932	       2.648
    2014.975	       3.732
    2015.025	       3.463
    2015.044	       2.524
    2015.068	       2.465
    2015.088	       2.424
    2015.156	       1.862
    2015.219	       2.276
    2015.877	       0.829
    2015.901	       0.629
    2015.989	       1.292
    2016.033	       1.487
    2016.057	       1.599
    2016.115	       1.586
    2016.295	       0.421
    2016.708	       0.678
    2016.751	       0.850
    2016.776	       1.159
    2016.863	       1.823
    2016.883	       1.882
    2016.888	       1.865
    2016.902	       1.138
    2016.932	       1.353
    2016.951	       1.196
    2016.970	       1.502
    2016.975	       0.539
    2016.989	       0.508
    2017.014	       0.258
    2017.164	       0.342
    2017.170	       0.303
    2017.258	      -0.311
    2017.759	      -0.056
    2017.784	       0.040
    2017.803	      -0.886
    2017.959	      -0.115
    2017.984	      -0.111
    2018.041	       0.338
    2018.047	       0.284
    2018.090	       0.578
    2018.129	      -1.404
    2018.197	      -0.960
    2018.660	      -1.801
    2018.729	      -1.701
    2018.748	      -1.706
    2018.767	      -1.524
    2018.855	      -0.950
    2018.923	      -0.845
    2018.962	      -0.193
    2018.986	      -0.137
    2019.005	      -0.106
    2019.030	       0.037
    2019.055	       0.148
    2019.118	      -1.231
    2019.137	      -1.211
    2019.142	      -1.166
    2019.205	      -1.005
    2019.249	      -1.221
    2019.293	      -1.061
    2019.668	      -0.886
    2019.707	      -0.696
    2019.751	      -1.127
    2019.781	      -1.086
    2019.838	      -0.825
    2019.844	      -0.667
    2019.868	      -0.562
    2019.882	      -0.537
    2019.907	      -0.393
    2019.926	      -0.454
    2019.932	      -0.803
    2019.975	      -1.241
    2020.014	      -1.170
    2020.063	      -1.381
    2020.101	      -1.206
    2020.145	      -1.236
    2020.150	      -1.116
    2020.169	      -1.071
    2020.189	      -1.022
    2020.232	      -1.913
    2020.281	      -2.553
    2020.781	      -3.111
    2020.787	      -3.072
    2020.806	      -2.613
    2020.831	      -2.737
    2020.918	      -2.484
    2020.932	      -2.408
    2020.956	      -2.232
    2020.962	      -2.103
    2020.981	      -1.868
    2021.025	      -1.986
    2021.063	      -1.975
    2021.068	      -1.591
    2021.151	      -2.400
    2021.195	      -2.768
    2021.219	      -2.743
    2021.288	      -2.970
    2021.701	      -1.848
    2021.707	      -1.667
    2021.751	      -2.752
    2021.789	      -2.519
    2021.877	      -2.784
    2021.890	      -2.776
    2022.027	      -2.160
    2022.036	      -2.257
    2022.074	      -2.548
    2022.099	      -2.597
    2022.115	      -3.813
    2022.121	      -3.594
    2022.164	      -3.714
    2022.203	      -3.868
    2022.208	      -3.735
    2022.268	      -4.132
    2022.671	      -3.000
    2022.693	      -4.113
    2022.734	      -4.030
    2022.737	      -4.160
    2022.822	      -4.256
    2022.825	      -4.279
    2022.929	      -3.887
    2022.932	      -3.797
    2022.934	      -3.810
    2022.951	      -4.379
    2022.992	      -4.300
    2023.060	      -4.670
    2023.123	      -4.465
    2023.126	      -4.473
    2023.148	      -4.544
    2023.233	      -5.352
    2023.238	      -5.977
    2023.258	      -6.116
