Year	sq. km
1990	225000
1991	224097.49
1992	223194.98
1993	222292.47
1994	221389.96
1995	220487.45
1996	219584.94
1997	218682.43
1998	217779.92
1999	216877.41
2000	215974.9
2001	215277.89
2002	214580.88
2003	213883.87
2004	213186.86
2005	212489.85
2006	211792.84
2007	211095.83
2008	210398.82
2009	209701.81
2010	209004.8
2011	208444.8
2012	207884.8
2013	207324.8
2014	206764.8
2015	206204.8
2016	205644.8
2017	205084.8
2018	204524.8
2019	203964.8
2020	203404.8
2021	202844.8