Year	hectares
1961	2000
1962	2000
1963	2000
1964	2000
1965	2000
1966	2000
1967	2000
1968	2000
1969	2000
1970	2000
1971	2000
1972	2000
1973	2000
1974	2000
1975	2000
1976	2000
1977	2000
1978	2000
1979	2000
1980	2000
1981	2000
1982	2000
1983	2000
1984	2000
1985	2000
1986	2000
1987	2000
1988	2000
1989	2000
1990	2000
1991	2000
1992	2000
1993	2000
1994	2000
1995	2000
1996	2000
1997	2000
1998	2000
1999	2000
2000	2010
2001	2010
2002	2020
2003	2020
2004	2030
2005	2030
2006	2040
2007	2040
2008	2050
2009	2050
2010	2060
2011	2060
2012	2070
2013	2070
2014	2080
2015	2080
2016	2090
2017	2090
2018	2100
2019	2100
2020	2100
2021	2100