Year	Square Kilometers
1990	392180
1991	387830
1992	383480
1993	379130
1994	374780
1995	370430
1996	366080
1997	361730
1998	357380
1999	353030
2000	348680
2001	345586
2002	342492
2003	339398
2004	336304
2005	333210
2006	330114
2007	327018
2008	323922
2009	320826
2010	317730
2011	312266
2012	306802
2013	301338
2014	295874
2015	290410