Year	Square Kilometers
1990	88810
1991	88988
1992	89166
1993	89344
1994	89522
1995	89700
1996	89878
1997	90056
1998	90234
1999	90412
2000	90590
2001	90872
2002	91154
2003	91436
2004	91718
2005	92000
2006	92258
2007	92516
2008	92774
2009	93032
2010	93290
2011	93502
2012	93714
2013	93926
2014	94138
2015	94350