# date (year)	 area (km^2)
    2013.822	       0.000
    2013.910	       0.275
    2013.934	       0.187
    2013.953	       0.029
    2014.110	       0.068
    2014.197	       0.194
    2014.260	       0.012
    2014.285	       0.022
    2014.723	       0.258
    2014.742	       0.224
    2014.786	       0.266
    2014.830	       0.185
    2014.855	       0.386
    2014.874	       0.677
    2014.918	       0.290
    2014.986	       0.339
    2015.005	       0.588
    2015.118	       0.467
    2015.249	       0.369
    2015.268	       0.351
    2015.312	       0.029
    2015.644	       0.229
    2015.663	       0.255
    2015.688	       0.077
    2015.707	       0.217
    2015.838	       0.203
    2015.863	       0.524
    2015.926	       0.448
    2015.951	       0.562
    2015.995	       0.265
    2016.014	       0.369
    2016.057	      -0.093
    2016.213	       0.145
    2016.257	      -0.053
    2016.301	       0.173
    2016.650	       0.243
    2016.669	       0.215
    2016.888	       0.400
    2016.956	       0.418
    2016.975	       0.564
    2017.000	       0.685
    2017.132	       0.605
    2017.175	       0.509
    2017.307	       0.335
    2017.633	       0.342
    2017.658	       0.107
    2017.721	       0.252
    2017.745	       0.197
    2017.852	       0.205
    2017.896	       0.269
    2017.921	       0.293
    2018.027	       0.224
    2018.729	       0.455
    2018.773	       0.674
    2018.797	       0.219
    2018.816	       0.221
    2018.860	       0.197
    2018.904	       0.084
    2018.992	       0.318
    2019.060	       0.419
    2019.148	       0.256
    2019.236	       0.313
    2019.255	       0.665
    2019.649	       0.403
    2019.674	       0.247
    2019.693	       0.405
    2019.762	       0.210
    2019.781	       0.401
    2019.849	       0.477
    2019.868	       0.733
    2019.912	       0.683
    2019.937	       0.391
    2019.956	       0.402
    2020.156	       0.456
    2020.287	       0.353
    2020.306	       0.688
    2020.724	       0.421
    2020.743	       0.422
    2020.787	       0.240
    2020.831	       0.270
    2020.918	       0.305
    2021.030	       0.249
    2021.074	       0.244
    2021.093	       0.322
    2021.249	       0.647
    2021.644	       0.280
    2021.707	       0.310
    2021.882	       0.581
    2021.929	       0.521
    2021.970	       0.282
    2022.016	       0.337
    2022.167	       0.445
    2022.233	       0.566
    2022.301	       0.310
    2022.652	       0.371
    2022.671	       0.506
    2022.827	       0.258
    2022.934	       0.457
    2023.000	       0.692
    2023.003	       0.523
    2023.156	       0.548
    2023.200	       0.576
