# date (year)	 area (km^2)
    2013.910	       0.000
    2013.953	       0.649
    2013.978	       2.029
    2013.997	       2.239
    2014.066	      -8.649
    2014.104	      -7.967
    2014.110	      -7.857
    2014.192	      -8.903
    2014.718	     -11.376
    2014.805	     -10.099
    2014.893	      -8.332
    2014.899	      -8.220
    2014.942	      -8.089
    2014.962	      -7.266
    2014.986	      -6.016
    2015.005	      -5.794
    2015.093	      -6.427
    2015.156	      -5.957
    2015.181	      -5.595
    2015.249	      -9.331
    2015.682	      -7.780
    2015.688	      -7.492
    2015.707	      -8.104
    2015.732	      -8.900
    2015.795	      -7.132
    2015.858	      -6.062
    2015.863	      -5.401
    2015.926	      -5.115
    2015.945	      -4.337
    2015.989	      -3.965
    2016.033	      -4.482
    2016.120	      -7.680
    2016.126	      -7.706
    2016.781	     -12.764
    2016.863	     -16.229
    2016.869	     -16.246
    2016.913	     -15.417
    2016.956	     -16.973
    2016.975	     -17.116
    2016.995	     -16.593
    2017.044	     -15.842
    2017.132	     -15.030
    2017.170	     -14.861
    2017.701	     -12.853
    2017.784	     -10.242
    2017.789	     -12.190
    2017.808	     -11.698
    2017.871	     -10.937
    2017.896	     -10.353
    2017.959	      -9.255
    2017.964	      -9.282
    2017.984	      -9.087
    2018.003	     -10.719
    2018.008	      -9.280
    2018.090	     -11.033
    2018.134	     -11.139
    2018.140	     -12.158
    2018.271	      -7.224
    2018.729	     -58.371
    2018.753	     -59.063
    2018.885	     -58.929
    2018.967	     -55.839
    2018.992	     -57.737
    2019.011	     -57.006
    2019.060	     -57.937
    2019.099	     -62.407
    2019.104	     -60.705
    2019.148	     -61.749
    2019.668	     -55.936
    2019.762	     -55.373
    2019.825	     -54.291
    2019.849	     -55.372
    2019.932	     -54.344
    2019.937	     -54.379
    2019.956	     -54.125
    2019.975	     -54.920
    2019.981	     -54.128
    2020.044	     -54.574
    2020.063	     -54.106
    2020.087	     -53.899
    2020.156	     -53.247
    2020.262	     -51.729
    2020.981	     -63.893
    2020.986	     -67.494
    2021.025	     -66.881
    2021.030	     -66.982
    2021.068	     -65.888
    2021.074	     -65.895
    2021.707	     -54.926
    2021.882	     -52.317
    2021.890	     -52.296
    2021.907	     -51.858
    2021.926	     -51.772
    2021.995	     -50.448
    2022.014	     -48.737
    2022.036	     -49.777
    2022.038	     -50.300
    2022.123	     -48.523
    2022.164	     -48.202
    2022.236	     -42.091
    2022.255	     -41.564
    2022.258	     -44.614
    2022.737	     -40.303
    2022.759	     -41.610
    2022.778	     -30.671
    2022.803	     -31.631
    2022.805	     -31.022
    2022.827	     -34.191
    2022.893	     -32.978
    2022.912	     -27.930
    2022.932	     -29.975
    2023.003	     -29.635
    2023.025	     -31.961
    2023.068	     -32.769
    2023.266	     -39.096
