Year	Square Kilometers
1961	267710
1962	267710
1963	267710
1964	267710
1965	267710
1966	267710
1967	267710
1968	267710
1969	267710
1970	267710
1971	267710
1972	267710
1973	267710
1974	267710
1975	267710
1976	267710
1977	267710
1978	267710
1979	267710
1980	267710
1981	267710
1982	267710
1983	267710
1984	267710
1985	267710
1986	267710
1987	267710
1988	267710
1989	267710
1990	267710
1991	267710
1992	267710
1993	267710
1994	267710
1995	267710
1996	267710
1997	267710
1998	267710
1999	267710
2000	267710
2001	267710
2002	267710
2003	267710
2004	267710
2005	267710
2006	267710
2007	267710
2008	267710
2009	267710
2010	267710
2011	267710
2012	267710
2013	267710
2014	267710
2015	267710
2016	267710
2017	267710