Year	sq. km
1961	14571611
1962	14571611
1963	14571611
1964	14571611
1965	14571611
1966	14571611
1967	14571611
1968	14571611
1969	14571611
1970	14571611
1971	14571611
1972	14571611
1973	14571611
1974	14571611
1975	14571611
1976	14571611
1977	14571611
1978	14571611
1979	14571611
1980	14571611
1981	14571611
1982	14571611
1983	14571611
1984	14571611
1985	14571611
1986	14571611
1987	14571611
1988	14571611
1989	14571611
1990	14571611
1991	14571611
1992	14571611
1993	14571611
1994	14571611
1995	14571611
1996	14571611
1997	14571611
1998	14571611
1999	14571611
2000	14571611
2001	14571611
2002	14571611
2003	14571611
2004	14720190.922
2005	14720236.092
2006	14720228.252
2007	14720274.665000001
2008	14720236.89
2009	14720269.284
2010	14720957.055
2011	14721207.05
2012	14845137.141999999
2013	14845099.326000001
2014	14845052.467
2015	14845106.128
2016	14845113.968
2017	14845102.053
2018	14845117.143
2019	14845129.404
2020	14845090.094
2021	14845090.094