Year	Square Kilometers
1990	27520
1991	27520
1992	27539.6
1993	27547.9
1994	27556.2
1995	27564.5
1996	27572.8
1997	27581.1
1998	27589.4
1999	27597.7
2000	27606
2001	27629.8
2002	27653.6
2003	27677.4
2004	27701.2
2005	27725
2006	27824.8
2007	27924.6
2008	28024.4
2009	28124.2
2010	28224
2011	28224
2012	28224
2013	28224
2014	28224
2015	28224