Year	sq. km
1961	29740
1962	29740
1963	29740
1964	29740
1965	29740
1966	29740
1967	29740
1968	29740
1969	29740
1970	29740
1971	29740
1972	29740
1973	29740
1974	29740
1975	29740
1976	29740
1977	29740
1978	29740
1979	29740
1980	29740
1981	29740
1982	29740
1983	29740
1984	29740
1985	29740
1986	29740
1987	29740
1988	29740
1989	29740
1990	29740
1991	29740
1992	29740
1993	29740
1994	29740
1995	29740
1996	29740
1997	29740
1998	29740
1999	29740
2000	29740
2001	29740
2002	29740
2003	29740
2004	29740
2005	29740
2006	29740
2007	29740
2008	29740
2009	29740
2010	29740
2011	29740
2012	29740
2013	29740
2014	29740
2015	29740
2016	29740
2017	29740
2018	29740
2019	29740
2020	29740
2021	29740