Year	hectares
1961	100000
1962	100000
1963	100000
1964	100000
1965	100000
1966	101000
1967	101000
1968	101000
1969	101000
1970	102000
1971	102000
1972	102000
1973	102000
1974	103000
1975	103000
1976	103000
1977	103000
1978	104000
1979	104000
1980	104000
1981	108000
1982	108000
1983	108000
1984	108000
1985	107000
1986	108000
1987	109000
1988	110000
1989	111000
1990	109000
1991	106000
1992	104000
1993	104000
1994	73829.6
1995	82932.7
1996	77980.5
1997	76533.2
1998	78097.5
1999	55599.8
2000	71213.1
2001	70908.9
2002	73783.1
2003	72496.9
2004	73897.8
2005	75415.9
2006	75740.3
2007	73828.9
2008	74956.4
2009	66800
2010	43700
2011	44236.4
2012	47822.7
2013	61609.1
2014	59455.5
2015	57301.8
2016	58418.2
2017	58354.5
2018	54290.9
2019	50227.3
2020	46163.6
2021	41900