Year	hectares
1961	70000
1962	70000
1963	70000
1964	70000
1965	70000
1966	70000
1967	72000
1968	72000
1969	73000
1970	78000
1971	78000
1972	80000
1973	85000
1974	85000
1975	85000
1976	88000
1977	90000
1978	96000
1979	100000
1980	100000
1981	100000
1982	100000
1983	100000
1984	100000
1985	100000
1986	100000
1987	100000
1988	100000
1989	100000
1990	110000
1991	120000
1992	120000
1993	125000
1994	130000
1995	130000
1996	130000
1997	127000
1998	125000
1999	120000
2000	120000
2001	119600
2002	119200
2003	118800
2004	118400
2005	118000
2006	117600
2007	117200
2008	116800
2009	116400
2010	116000
2011	115600
2012	115200
2013	114800
2014	114400
2015	114000
2016	113600
2017	113200
2018	112800
2019	111500
2020	111500
2021	111500