Year	sq. km
1961	1547438.7419999999
1962	1547438.7419999999
1963	1547438.7419999999
1964	1547438.7419999999
1965	1547438.7419999999
1966	1547438.7419999999
1967	1547438.7419999999
1968	1547438.7419999999
1969	1547438.7419999999
1970	1547438.7419999999
1971	1547438.7419999999
1972	1547438.7419999999
1973	1547438.7419999999
1974	1547438.7419999999
1975	1547438.7419999999
1976	1547438.7419999999
1977	1547438.7419999999
1978	1547438.7419999999
1979	1547438.7419999999
1980	1547438.7419999999
1981	1547438.7419999999
1982	1547438.7419999999
1983	1547438.7419999999
1984	1547438.7419999999
1985	1547438.7419999999
1986	1547438.7419999999
1987	1547438.7419999999
1988	1547438.7419999999
1989	1547438.7419999999
1990	1547438.7419999999
1991	1547438.7419999999
1992	1547438.7419999999
1993	1547438.7419999999
1994	1547438.7419999999
1995	1547438.7419999999
1996	1547438.7419999999
1997	1547438.7419999999
1998	1547438.7419999999
1999	1547438.7419999999
2000	1547438.7419999999
2001	1547438.7419999999
2002	1547438.968
2003	1554686.0580000002
2004	1554444.019
2005	1554444.091
2006	1557459.093
2007	1557459.093
2008	1557465.0869999998
2009	1557465.134
2010	1557292.418
2011	1557251.947
2012	1557251.946
2013	1557253.053
2014	1557252.9209999999
2015	1557255.4
2016	1557255.4
2017	1557255.4
2018	1557255
2019	1557258
2020	1557506.803
2021	1557507