Year	hectares
1961	11000000
1962	11459000
1963	11631000
1964	11631000
1965	11995000
1966	12070000
1967	12150000
1968	12250000
1969	12530000
1970	12530000
1971	12770000
1972	13000000
1973	13000000
1974	13000000
1975	13000000
1976	13000000
1977	13030000
1978	13060000
1979	13105000
1980	13000000
1981	12800000
1982	12600000
1983	12400000
1984	12000000
1985	11850000
1986	11600000
1987	11300000
1988	11100000
1989	10900000
1990	10750000
1991	10650000
1992	10650000
1993	10000000
1994	9932000
1995	9940000
1996	9927000
1997	9900000
1998	9891000
1999	9881000
2000	9872000
2001	9862000
2002	9853000
2003	10928000
2004	12364000
2005	12823000
2006	13396000
2007	14038000
2008	13606000
2009	13948000
2010	14565000
2011	15193200
2012	15346000
2013	15471000
2014	15596000
2015	15721000
2016	15846000
2017	15969200
2018	16187000
2019	16192000
2020	16195100
2021	16314000