Year	hectares
1961	155806000
1962	156700000
1963	157470000
1964	157732000
1965	158216000
1966	158590000
1967	159780000
1968	160069000
1969	159976000
1970	160560000
1971	159756000
1972	160186000
1973	161044000
1974	161501000
1975	161838000
1976	162057000
1977	162059000
1978	163239000
1979	163444000
1980	162854000
1981	162912000
1982	163246000
1983	162732000
1984	163618000
1985	163540000
1986	163409000
1987	163205000
1988	162868000
1989	163476000
1990	163459000
1991	163182000
1992	162706000
1993	162586000
1994	162525000
1995	161911000
1996	161025000
1997	161601000
1998	161409000
1999	160975000
2000	160930000
2001	160325000
2002	160432000
2003	159799000
2004	159681000
2005	159444000
2006	158662000
2007	158022000
2008	157995000
2009	157924000
2010	157009000
2011	156979000
2012	156546000
2013	156442000
2014	156463000
2015	156413000
2016	156317000
2017	155895136
2018	155477911
2019	155369076.4
2020	154447948
2021	154447948