Year	Square Kilometers
1990	1285410
1991	1285710
1992	1286010
1993	1286310
1994	1286610
1995	1286910
1996	1287210
1997	1287510
1998	1287810
1999	1288110
2000	1288410
2001	1286010
2002	1283610
2003	1281210
2004	1278810
2005	1276410
2006	1267550
2007	1258690
2008	1249830
2009	1240970
2010	1232110
2011	1235190
2012	1238270
2013	1241350
2014	1244430
2015	1247510