Year	Square Kilometers
1961	2505810
1962	2505810
1963	2505810
1964	2505810
1965	2505810
1966	2505810
1967	2505810
1968	2505810
1969	2505810
1970	2505810
1971	2505810
1972	2505810
1973	2505810
1974	2505810
1975	2505810
1976	2505810
1977	2505810
1978	2505810
1979	2505810
1980	2505810
1981	2505810
1982	2505810
1983	2505810
1984	2505810
1985	2505810
1986	2505810
1987	2505810
1988	2505810
1989	2505810
1990	2505810
1991	2505810
1992	2505810
1993	2505810
1994	2505810
1995	2505810
1996	2505810
1997	2505810
1998	2505810
1999	2505810
2000	2505810
2001	2505810
2002	2505810
2003	2505810
2004	2505810
2005	2505810
2006	2505810
2007	2505810
2008	2505810
2009	2505810
2010	2505810
2011	1879357.5
2012	1879357.5
2013	1879357.5
2014	1879357.5
2015	1879357.5
2016	1879357.5
2017	1879357.5