Year	hectares
1961	1800000
1962	1800000
1963	1800000
1964	1800000
1965	1800000
1966	1800000
1967	1800000
1968	1800000
1969	1800000
1970	1800000
1971	1800000
1972	1800000
1973	1800000
1974	1800000
1975	1800000
1976	1800000
1977	1800000
1978	1900000
1979	1950000
1980	1950000
1981	1950000
1982	1950000
1983	1950000
1984	2000000
1985	2000000
1986	2000000
1987	2020000
1988	2050000
1989	2050000
1990	2070000
1991	2090000
1992	2110000
1993	2130000
1994	2150000
1995	2170000
1996	2190000
1997	2210000
1998	2230000
1999	2250000
2000	2270000
2001	2290000
2002	2310000
2003	2330000
2004	2350000
2005	2370000
2006	2390000
2007	2410000
2008	2430000
2009	2450000
2010	2460000
2011	2460000
2012	2650000
2013	2650000
2014	2650000
2015	2650000
2016	2650000
2017	2650000
2018	2650000
2019	2650000
2020	2650000
2021	2650000