Year	Square Kilometers
1990	65
1991	65.4
1992	65.8
1993	66.2
1994	66.6
1995	67
1996	67.4
1997	67.8
1998	68.2
1999	68.6
2000	69
2001	69
2002	69
2003	69
2004	69
2005	69
2006	69
2007	69
2008	69
2009	69
2010	69
2011	69
2012	69
2013	69
2014	69
2015	69