Year	Square Kilometers
1961	750
1962	750
1963	750
1964	750
1965	750
1966	750
1967	750
1968	750
1969	750
1970	750
1971	750
1972	750
1973	750
1974	750
1975	750
1976	750
1977	750
1978	750
1979	750
1980	750
1981	750
1982	750
1983	750
1984	750
1985	750
1986	750
1987	750
1988	750
1989	750
1990	750
1991	750
1992	750
1993	750
1994	750
1995	750
1996	750
1997	750
1998	750
1999	750
2000	750
2001	750
2002	750
2003	750
2004	750
2005	750
2006	750
2007	750
2008	750
2009	750
2010	750
2011	750
2012	750
2013	750
2014	750
2015	750
2016	750
2017	750