# date (year)	 area (km^2)
    2013.841	       0.000
    2013.904	       0.386
    2013.910	       0.379
    2013.929	       0.555
    2013.948	       0.629
    2013.953	       0.696
    2014.011	       0.961
    2014.016	       0.981
    2014.079	       1.315
    2014.099	       1.273
    2014.104	       1.330
    2014.142	       0.109
    2014.192	       0.239
    2014.236	       0.194
    2014.255	       0.353
    2014.649	       2.505
    2014.655	       2.398
    2014.674	       1.252
    2014.712	       1.450
    2014.718	       1.565
    2014.737	       1.718
    2014.742	       1.766
    2014.781	       1.899
    2014.888	       2.690
    2014.893	       2.454
    2014.932	       2.680
    2014.975	       3.887
    2015.025	       3.476
    2015.044	       2.488
    2015.068	       2.441
    2015.088	       2.396
    2015.156	       1.838
    2015.219	       2.254
    2015.282	       1.019
    2015.707	       0.279
    2015.877	       0.818
    2015.901	       0.614
    2015.989	       1.247
    2016.033	       1.440
    2016.057	       1.560
    2016.115	       1.539
    2016.295	       0.377
    2016.645	      -0.164
    2016.708	       0.681
    2016.751	       0.844
    2016.776	       1.157
    2016.863	       1.816
    2016.883	       1.876
    2016.888	       1.937
    2016.902	       1.141
    2016.932	       1.358
    2016.951	       1.231
    2016.970	       1.492
    2016.975	       0.512
    2016.989	       0.488
    2017.014	       0.218
    2017.121	       1.246
    2017.164	       0.293
    2017.170	       0.278
    2017.258	      -0.356
    2017.759	      -0.083
    2017.784	       0.083
    2017.803	      -0.907
    2017.959	      -0.146
    2017.984	      -0.135
    2018.041	       0.447
    2018.047	       0.244
    2018.090	       0.524
    2018.129	      -1.433
    2018.134	      -1.372
    2018.178	      -1.139
    2018.197	      -1.011
    2018.660	      -1.799
    2018.729	      -1.703
    2018.748	      -1.699
    2018.767	      -1.515
    2018.855	      -0.957
    2018.923	      -0.789
    2018.962	      -0.173
    2018.986	      -0.113
    2019.005	      -0.128
    2019.030	       0.006
    2019.055	       0.117
    2019.118	      -1.204
    2019.137	      -1.190
    2019.142	      -1.188
    2019.205	      -0.957
    2019.230	      -0.921
    2019.249	      -1.140
    2019.293	      -1.103
    2019.668	      -0.925
    2019.707	      -0.693
    2019.751	      -1.069
    2019.781	      -1.086
    2019.838	      -0.845
    2019.844	      -0.681
    2019.868	      -0.575
    2019.882	      -0.564
    2019.907	      -0.415
    2019.926	      -0.486
    2019.932	      -0.809
    2019.975	      -1.260
    2020.014	      -1.163
    2020.063	      -1.417
    2020.101	      -1.241
    2020.145	      -1.262
    2020.150	      -1.167
    2020.169	      -1.105
    2020.189	      -1.071
    2020.232	      -1.929
    2020.281	      -2.578
    2020.781	      -3.130
    2020.787	      -3.089
    2020.806	      -2.548
    2020.825	      -2.707
    2020.831	      -2.758
    2020.918	      -2.506
    2020.932	      -2.407
    2020.956	      -2.258
    2020.962	      -2.122
    2020.981	      -1.853
    2021.025	      -2.016
    2021.063	      -1.985
    2021.068	      -1.628
    2021.151	      -2.408
    2021.195	      -2.804
    2021.219	      -2.775
    2021.288	      -3.019
    2021.701	      -1.859
    2021.707	      -1.678
    2021.751	      -2.769
    2021.789	      -2.547
    2021.877	      -2.799
    2021.890	      -2.783
    2022.027	      -2.168
    2022.036	      -2.279
    2022.074	      -2.575
    2022.099	      -2.616
    2022.115	      -3.814
    2022.121	      -3.612
    2022.164	      -3.745
    2022.203	      -3.871
    2022.208	      -3.769
    2022.268	      -4.086
    2022.671	      -2.902
    2022.693	      -4.037
    2022.734	      -4.067
    2022.737	      -4.194
    2022.822	      -4.274
    2022.825	      -4.304
    2022.929	      -3.918
    2022.932	      -3.825
    2022.934	      -3.845
    2022.951	      -4.406
    2022.992	      -4.333
    2023.060	      -4.685
    2023.123	      -4.498
    2023.126	      -4.511
    2023.148	      -4.582
    2023.167	      -5.577
    2023.233	      -5.388
    2023.238	      -5.990
    2023.258	      -5.803
