Year	Square Kilometers
1990	8520
1991	8558
1992	8558
1993	8578
1994	8598
1995	8618
1996	8638
1997	8658
1998	8678
1999	8698
2000	8718
2001	8728.8
2002	8739.6
2003	8750.4
2004	8761.2
2005	8772
2006	9034.2
2007	9296.4
2008	9558.6
2009	9820.8
2010	10083
2011	10345.2
2012	10607.4
2013	10869.6
2014	11131.8
2015	11394