# date (year)	 area (km^2)
    2013.822	       0.000
    2013.847	       0.147
    2013.885	       0.088
    2013.929	       0.322
    2013.973	       0.353
    2014.022	       0.527
    2014.085	       0.684
    2014.636	       1.357
    2014.674	       1.509
    2014.718	       1.275
    2014.742	       1.924
    2014.830	       1.619
    2014.855	       1.793
    2014.986	       1.957
    2015.005	       1.804
    2015.200	       2.981
    2015.268	       2.336
    2015.638	       2.407
    2015.644	       1.447
    2015.707	       1.904
    2015.775	       2.875
    2015.838	       2.949
    2015.858	       2.253
    2015.863	       2.488
    2015.882	       2.196
    2015.926	       2.074
    2016.014	       2.293
    2016.038	       2.720
    2016.082	       2.300
    2016.213	       2.666
    2016.257	       2.579
    2016.276	       2.293
    2016.295	       2.192
    2016.301	       2.473
    2016.645	       3.011
    2016.801	       2.992
    2016.825	       3.005
    2016.844	       2.795
    2016.869	       2.950
    2016.995	       2.789
    2017.082	       3.378
    2017.088	       3.622
    2017.107	       2.869
    2017.175	       3.554
    2017.301	       3.695
    2017.658	       4.335
    2017.696	       4.447
    2017.701	       4.462
    2017.721	       4.486
    2017.745	       4.636
    2017.871	       5.779
    2017.877	       5.023
    2017.921	       5.217
    2018.134	       6.368
    2018.159	       5.355
    2018.178	       5.480
    2018.184	       5.502
    2018.222	       5.435
    2018.660	       6.515
    2018.666	       6.138
    2018.704	       6.486
    2018.710	       6.437
    2018.729	       6.433
    2018.748	       6.409
    2018.753	       6.710
    2018.816	       6.541
    2018.836	       6.779
    2018.860	       6.794
    2018.904	       6.839
    2018.923	       7.468
    2018.948	       6.256
    2018.967	       7.787
    2019.142	       7.222
    2019.148	       7.119
    2019.192	       7.693
    2019.299	       6.517
    2019.693	       8.730
    2019.756	       8.594
    2019.762	       8.411
    2019.781	       8.513
    2019.888	       8.942
    2019.912	       8.868
    2020.000	       9.269
    2020.107	       9.493
    2020.150	       9.035
    2020.194	      10.045
    2020.287	       9.360
    2020.306	       9.811
    2020.719	      11.228
    2020.724	      10.716
    2020.743	      10.766
    2020.768	      11.051
    2020.787	      11.149
    2020.831	      11.145
    2020.855	      11.252
    2020.937	      11.608
    2021.093	      11.443
    2021.225	      11.507
    2021.249	      11.327
    2021.638	      11.868
    2021.682	      12.059
    2021.688	      12.039
    2021.707	      11.933
    2021.751	      11.706
    2021.770	      12.800
    2021.775	      12.707
    2021.795	      12.491
    2021.858	      12.160
    2021.901	      13.109
    2021.926	      12.246
    2021.948	      12.363
    2021.967	      12.657
    2021.970	      12.349
    2022.099	      11.517
    2022.186	       9.392
    2022.189	       9.397
    2022.230	       9.813
    2022.652	       1.706
    2022.671	       1.950
    2022.762	       2.700
    2022.827	       1.975
    2022.849	       1.935
    2022.890	       0.598
    2022.893	       0.879
    2022.912	       0.479
    2022.915	       0.662
    2022.934	       0.489
    2022.953	       0.511
    2022.975	       0.567
    2022.981	       0.525
    2023.000	       0.325
    2023.025	       0.449
    2023.044	       0.152
    2023.175	      -1.085
    2023.200	      -0.914
    2023.216	      -0.969
    2023.238	      -0.859
    2023.307	      -1.370
