Year	sq. km
1961	1280000
1962	1280000
1963	1280000
1964	1280000
1965	1280000
1966	1280000
1967	1280000
1968	1280000
1969	1280000
1970	1280000
1971	1280000
1972	1280000
1973	1280000
1974	1280000
1975	1280000
1976	1280000
1977	1280000
1978	1280000
1979	1280000
1980	1280000
1981	1280000
1982	1280000
1983	1280000
1984	1280000
1985	1280000
1986	1280000
1987	1280000
1988	1280000
1989	1280000
1990	1280000
1991	1280000
1992	1280000
1993	1280000
1994	1280000
1995	1280000
1996	1280000
1997	1280000
1998	1280000
1999	1280000
2000	1280000
2001	1280000
2002	1280000
2003	1280000
2004	1280000
2005	1280000
2006	1280000
2007	1280000
2008	1280000
2009	1280000
2010	1280000
2011	1280000
2012	1280000
2013	1280000
2014	1280000
2015	1280000
2016	1280000
2017	1280000
2018	1280000
2019	1280000
2020	1280000
2021	1280000