Year	Square Kilometers
1990	7888
1991	7868.5
1992	7849
1993	7829.5
1994	7810
1995	7790.5
1996	7771
1997	7751.5
1998	7732
1999	7712.5
2000	7693
2001	7719.2
2002	7745.4
2003	7771.6
2004	7797.8
2005	7824
2006	7811.8
2007	7799.6
2008	7787.4
2009	7775.2
2010	7763
2011	7753.4
2012	7743.8
2013	7734.2
2014	7724.6
2015	7715