Year	hectares
1961	1007000
1962	1004000
1963	1001000
1964	998000
1965	996000
1966	994000
1967	990000
1968	989000
1969	988000
1970	987000
1971	987000
1972	987000
1973	985000
1974	983000
1975	982000
1976	981000
1977	977000
1978	971000
1979	962000
1980	762000
1981	760000
1982	758000
1983	759000
1984	762000
1985	764000
1986	765000
1987	766000
1988	767000
1989	767000
1990	766000
1991	760000
1992	832000
1993	841000
1994	940000
1995	874000
1996	862000
1997	870000
1998	873000
1999	873000
2000	862000
2001	845000
2002	832000
2003	835000
2004	840000
2005	843000
2006	842000
2007	839000
2008	844000
2009	840000
2010	834000
2011	825000
2012	803000
2013	816000
2014	817000
2015	829500
2016	849400
2017	836000
2018	850000
2019	857286
2020	864876.6
2021	865640