Year	sq. km
1990	369972.4
1991	369748.93
1992	369525.4600000001
1993	369301.99
1994	369078.52
1995	368855.05
1996	368631.5800000001
1997	368408.11
1998	368184.64
1999	367961.17
2000	367737.70000000007
2001	367616.67000000004
2002	367495.64
2003	367374.6100000001
2004	367253.58
2005	367132.55
2006	367011.5200000001
2007	366890.49
2008	366769.46
2009	366648.43
2010	366527.4
2011	366230.12
2012	365932.84
2013	365635.56
2014	365338.28
2015	365041.00000000006
2016	364757.9
2017	364515.30000000005
2018	364223.39999999997
2019	363931.1
2020	363639.20000000007
2021	363347.03200000006