Year	Square Kilometers
1990	9529
1991	9556.5
1992	9584.1
1993	9611.6
1994	9639.2
1995	9666.7
1996	9694.2
1997	9721.8
1998	9749.3
1999	9776.9
2000	9804.4
2001	9838
2002	9871.7
2003	9905.3
2004	9939
2005	9972.6
2006	9963.9
2007	9955.1
2008	9946.4
2009	9937.7
2010	9929
2011	9977.6
2012	10026.2
2013	10074.8
2014	10123.4
2015	10172