Year	hectares
1961	396100
1962	397700
1963	387900
1964	383800
1965	377700
1966	371000
1967	363400
1968	359700
1969	360000
1970	355900
1971	356900
1972	363000
1973	362800
1974	365400
1975	368900
1976	369500
1977	369900
1978	375300
1979	376937.3
1980	380637
1981	384642.4
1982	388945.7
1983	394504.2
1984	402358.8
1985	404440.8
1986	404093
1987	398705.6
1988	402242.3
1989	408608.1
1990	403090
1991	407547.9
1992	406086.9
1993	409860.6
1994	419192.9
1995	422150.1
1996	420296.7
1997	414858.4
1998	412749.1
1999	409881.6
2000	408038.5
2001	408765.3
2002	407594.9
2003	406267
2004	405776.3
2005	405412.3
2006	406158.8
2007	405879.5
2008	405489.1
2009	405213.9
2010	403749.4
2011	403051.3
2012	403017.7
2013	402901.7
2014	399441.7
2015	398398.8
2016	398695.3
2017	398184
2018	398138.9
2019	398794.4
2020	399841.5
2021	395464.6