Year	Square Kilometers
1990	1185450
1991	1166314
1992	1147178
1993	1128042
1994	1108906
1995	1089770
1996	1070634
1997	1051498
1998	1032362
1999	1013226
2000	994090
2001	990986
2002	987882
2003	984778
2004	981674
2005	978570
2006	971720
2007	964870
2008	958020
2009	951170
2010	944320
2011	937476
2012	930632
2013	923788
2014	916944
2015	910100