Year	hectares
1961	900000
1962	900000
1963	900000
1964	900000
1965	900000
1966	900000
1967	900000
1968	900000
1969	900000
1970	900000
1971	900000
1972	768000
1973	768000
1974	768000
1975	768000
1976	770000
1977	770000
1978	780000
1979	780000
1980	780000
1981	780000
1982	780000
1983	780000
1984	780000
1985	780000
1986	780000
1987	780000
1988	780000
1989	780000
1990	780000
1991	780000
1992	780000
1993	780000
1994	800000
1995	800000
1996	800000
1997	900000
1998	900000
1999	900000
2000	900000
2001	900000
2002	900000
2003	900000
2004	900000
2005	1000000
2006	1000000
2007	1000000
2008	1000000
2009	1026330
2010	1180000
2011	1180000
2012	1180000
2013	1180000
2014	1180000
2015	1180000
2016	1180000
2017	1180000
2018	1180000
2019	1000000
2020	1000000
2021	1005000