Year	Square Kilometers
1990	211570
1991	209781
1992	207992
1993	206203
1994	204414
1995	202625
1996	200836
1997	199047
1998	197258
1999	195469
2000	193680
2001	191894
2002	190108
2003	188322
2004	186536
2005	184750
2006	181700
2007	178650
2008	175600
2009	172550
2010	169500
2011	166246
2012	162992
2013	159738
2014	156484
2015	153230