Year	Square Kilometers
1961	22970
1962	22970
1963	22970
1964	22970
1965	22970
1966	22970
1967	22970
1968	22970
1969	22970
1970	22970
1971	22970
1972	22970
1973	22970
1974	22970
1975	22970
1976	22970
1977	22970
1978	22970
1979	22970
1980	22970
1981	22970
1982	22970
1983	22970
1984	22970
1985	22970
1986	22970
1987	22970
1988	22970
1989	22970
1990	22970
1991	22970
1992	22970
1993	22970
1994	22970
1995	22970
1996	22970
1997	22970
1998	22970
1999	22970
2000	22970
2001	22970
2002	22970
2003	22970
2004	22970
2005	22970
2006	22970
2007	22970
2008	22970
2009	22970
2010	22970
2011	22970
2012	22970
2013	22970
2014	22970
2015	22970
2016	22970
2017	22970