Year	Square Kilometers
1990	8089500
1991	8089500
1992	8090136.2
1993	8090454.8
1994	8090773.4
1995	8091092
1996	8091410.6
1997	8091729.2
1998	8092047.8
1999	8092366.4
2000	8092685
2001	8091728
2002	8090771
2003	8089814
2004	8088857
2005	8087900
2006	8100591.2
2007	8113282.4
2008	8125973.6
2009	8138664.8
2010	8151356
2011	8150945.8
2012	8150535.6
2013	8150125.4
2014	8149715.2
2015	8149305