Year	Square Kilometers
1961	450300
1962	450300
1963	450300
1964	450300
1965	450300
1966	450300
1967	450300
1968	450300
1969	450300
1970	450300
1971	450300
1972	450300
1973	450300
1974	450300
1975	450300
1976	450300
1977	450300
1978	450300
1979	450300
1980	450300
1981	450300
1982	450300
1983	450300
1984	450300
1985	450300
1986	450300
1987	450300
1988	450300
1989	450300
1990	450300
1991	450300
1992	450300
1993	450300
1994	450300
1995	450300
1996	450300
1997	450300
1998	450300
1999	450300
2000	450300
2001	450300
2002	450300
2003	450300
2004	450300
2005	450300
2006	450300
2007	450300
2008	450300
2009	450300
2010	450300
2011	450300
2012	447420
2013	447420
2014	447420
2015	447420
2016	447420
2017	447420