Year	hectares
1961	1000
1962	1000
1963	1000
1964	1000
1965	1000
1966	1000
1967	1000
1968	1000
1969	1000
1970	1000
1971	1000
1972	1000
1973	1000
1974	1000
1975	1000
1976	1000
1977	1000
1978	1000
1979	1000
1980	1000
1981	1000
1982	1000
1983	1000
1984	1000
1985	1000
1986	1000
1987	1000
1988	1000
1989	1000
1990	1000
1991	1000
1992	1000
1993	1000
1994	1000
1995	1000
1996	1000
1997	1000
1998	1000
1999	1000
2000	1000
2001	1000
2002	1000
2003	1000
2004	1000
2005	1000
2006	1300
2007	1500
2008	1200
2009	1300
2010	1600
2011	2000
2012	2000
2013	2000
2014	2000
2015	2000
2016	2000
2017	2000
2018	2000
2019	2000
2020	3000
2021	3000