Year	sq. km
1990	191100.96899999998
1991	191395.57199999996
1992	191690.175
1993	191984.778
1994	192279.38099999996
1995	192573.985
1996	192868.588
1997	193163.19099999996
1998	193457.79399999997
1999	193752.397
2000	194047
2001	196013.4
2002	197979.80000000002
2003	199946.19999999998
2004	201912.6
2005	203878.99999999997
2006	205845.4
2007	207811.8
2008	209778.2
2009	211744.6
2010	213710.99999999997
2011	213854.44000000003
2012	213997.88
2013	214141.32
2014	214284.75999999998
2015	214428.19999999998
2016	214667.1
2017	214761.59999999998
2018	214917.6
2019	215298.9
2020	215609.19999999998
2021	215966.83299999998