Year	Square Kilometers
1990	307273.1
1991	305529
1992	303784.8
1993	302040.7
1994	300296.5
1995	298552.4
1996	296808.2
1997	295064.1
1998	293319.9
1999	291575.8
2000	289831.6
2001	288087.5
2002	286343.3
2003	284599.2
2004	282855
2005	281110.9
2006	279366.7
2007	277622.6
2008	275878.4
2009	274134.3
2010	272390.1
2011	199076
2012	197331.8
2013	195587.7
2014	193843.5
2015	192099.4