Year	sq. km
1961	1266700
1962	1266700
1963	1266700
1964	1266700
1965	1266700
1966	1266700
1967	1266700
1968	1266700
1969	1266700
1970	1266700
1971	1266700
1972	1266700
1973	1266700
1974	1266700
1975	1266700
1976	1266700
1977	1266700
1978	1266700
1979	1266700
1980	1266700
1981	1266700
1982	1266700
1983	1266700
1984	1266700
1985	1266700
1986	1266700
1987	1266700
1988	1266700
1989	1266700
1990	1266700
1991	1266700
1992	1266700
1993	1266700
1994	1266700
1995	1266700
1996	1266700
1997	1266700
1998	1266700
1999	1266700
2000	1266700
2001	1266700
2002	1266700
2003	1266700
2004	1266700
2005	1266700
2006	1266700
2007	1266700
2008	1266700
2009	1266700
2010	1266700
2011	1266700
2012	1266700
2013	1266700
2014	1266700
2015	1266700
2016	1266700
2017	1266700
2018	1266700
2019	1266700
2020	1266700
2021	1266700