Year	sq. km
1961	42920
1962	42920
1963	42920
1964	42920
1965	42920
1966	42920
1967	42920
1968	42920
1969	42920
1970	42920
1971	42920
1972	42920
1973	42920
1974	42920
1975	42920
1976	42920
1977	42920
1978	42920
1979	42920
1980	42920
1981	42920
1982	42920
1983	42920
1984	42920
1985	42920
1986	42920
1987	42920
1988	42920
1989	42920
1990	42920
1991	42920
1992	42920
1993	42920
1994	42920
1995	42920
1996	42920
1997	42920
1998	42920
1999	42920
2000	42920
2001	42920
2002	42920
2003	42920
2004	42920
2005	42920
2006	42920
2007	42920
2008	42920
2009	42920
2010	42920
2011	42920
2012	42920
2013	42920
2014	42920
2015	42920
2016	42920
2017	42920
2018	42920
2019	42920
2020	42920
2021	42920