Year	Square Kilometers
1961	960
1962	960
1963	960
1964	960
1965	960
1966	960
1967	960
1968	960
1969	960
1970	960
1971	960
1972	960
1973	960
1974	960
1975	960
1976	960
1977	960
1978	960
1979	960
1980	960
1981	960
1982	960
1983	960
1984	960
1985	960
1986	960
1987	960
1988	960
1989	960
1990	960
1991	960
1992	960
1993	960
1994	960
1995	960
1996	960
1997	960
1998	960
1999	960
2000	960
2001	960
2002	960
2003	960
2004	960
2005	960
2006	960
2007	960
2008	960
2009	960
2010	960
2011	960
2012	960
2013	960
2014	960
2015	960
2016	960
2017	960