Year	sq. km
1961	98501799
1962	98501799
1963	98501799
1964	98501799
1965	98501799
1966	98501799
1967	98501799
1968	98501799
1969	98501799
1970	98501799
1971	98501799
1972	98501799
1973	98501799
1974	98501799
1975	98501799
1976	98501799
1977	98499679
1978	98499679
1979	98501719
1980	98501709
1981	98501709
1982	98501709
1983	98501709
1984	98501709
1985	98501709
1986	98501709
1987	98500369
1988	98500379
1989	98500379
1990	98501049
1991	98501079
1992	98501109
1993	98501199
1994	98494276
1995	98494276
1996	98494336
1997	98494326
1998	98467066
1999	98467066
2000	98461889
2001	98461893.2
2002	98461942.2
2003	98462005.7
2004	98496376.614
2005	98498272.969
2006	98498232.33000001
2007	98498199.399
2008	98498055.342
2009	98495526.86199999
2010	98495436.451
2011	98495685.029
2012	98514743.53299999
2013	98545622.412
2014	98543770.958
2015	98551248.54100001
2016	98552207.92
2017	98555693.28299999
2018	98555254.583
2019	98653246.198
2020	98648759.74999999
2021	98648947.001