Year	hectares
1961	10000
1962	10000
1963	10000
1964	10000
1965	13000
1966	13000
1967	13000
1968	13000
1969	13000
1970	15000
1971	15000
1972	15000
1973	15000
1974	15000
1975	16000
1976	16000
1977	17000
1978	17000
1979	18000
1980	18000
1981	19000
1982	19000
1983	20000
1984	20000
1985	20000
1986	20000
1987	20000
1988	20000
1989	20000
1990	20000
1991	20000
1992	20000
1993	20000
1994	20000
1995	20000
1996	20000
1997	20000
1998	20000
1999	20000
2000	20000
2001	20000
2002	20000
2003	20000
2004	20000
2005	20000
2006	20000
2007	20000
2008	20000
2009	20000
2010	20000
2011	20000
2012	20000
2013	20000
2014	20000
2015	20000
2016	20000
2017	20000
2018	20000
2019	20000
2020	20000
2021	20000