Year	sq. km
1961	107698362.469
1962	107698342.469
1963	107698352.469
1964	107698352.469
1965	107698342.469
1966	107698332.469
1967	107698322.469
1968	107698312.469
1969	107698312.469
1970	107698302.469
1971	107698292.469
1972	107698192.469
1973	107698122.469
1974	107697652.469
1975	107697142.469
1976	107696932.469
1977	107696802.469
1978	107696802.469
1979	107696763.17899999
1980	107696493.17899999
1981	107696573.17899999
1982	107696353.17899999
1983	107696313.17899999
1984	107694823.259
1985	107694723.339
1986	107694823.419
1987	107694723.499
1988	107694713.579
1989	107693723.659
1990	107693723.739
1991	107695633.81899999
1992	129328695.899
1993	129450319.979
1994	129438563.059
1995	129435613.139
1996	129435157.923
1997	129504497.706
1998	129478465.48799999
1999	129485253.269
2000	129577095.51
2001	129575915.48900001
2002	129573718.49399999
2003	129580844.862
2004	129727386.32200001
2005	129730128.64
2006	129829916.77700002
2007	129829688.96499999
2008	129813808.78600001
2009	129812249.729
2010	129814626.785
2011	129815636.71
2012	129939649.90300001
2013	129937877.78400001
2014	129937258.304
2015	129940891.185
2016	129950688.95499998
2017	129943403.06
2018	129944109.579
2019	129943267.917
2020	129939343.22100003
2021	129777684.05200002