Year	Square Kilometers
1961	527970
1962	527970
1963	527970
1964	527970
1965	527970
1966	527970
1967	527970
1968	527970
1969	527970
1970	527970
1971	527970
1972	527970
1973	527970
1974	527970
1975	527970
1976	527970
1977	527970
1978	527970
1979	527970
1980	527970
1981	527970
1982	527970
1983	527970
1984	527970
1985	527970
1986	527970
1987	527970
1988	527970
1989	527970
1990	527970
1991	527970
1992	527970
1993	527970
1994	527970
1995	527970
1996	527970
1997	527970
1998	527970
1999	527970
2000	527970
2001	527970
2002	527970
2003	527970
2004	527970
2005	527970
2006	527970
2007	527970
2008	527970
2009	527970
2010	527970
2011	527970
2012	527970
2013	527970
2014	527970
2015	527970
2016	527970
2017	527970