Year	hectares
1961	23013000
1962	23131000
1963	23895000
1964	23824000
1965	23841000
1966	24000000
1967	23836000
1968	24092000
1969	25231000
1970	24793000
1971	24978000
1972	25573000
1973	25543000
1974	25161000
1975	24908000
1976	24862000
1977	25063000
1978	25123000
1979	25778000
1980	25354000
1981	25483000
1982	24199000
1983	23696000
1984	24502000
1985	24595000
1986	24558000
1987	24964000
1988	24786000
1989	24880000
1990	24647000
1991	24666000
1992	24514000
1993	24481000
1994	24705000
1995	24654000
1996	24514000
1997	24297000
1998	24439000
1999	24279000
2000	23826000
2001	23801000
2002	23994000
2003	23372000
2004	23871000
2005	23830000
2006	22981000
2007	21979000
2008	21555000
2009	21351000
2010	21384000
2011	20539000
2012	20577000
2013	20574000
2014	20699000
2015	20650000
2016	20382000
2017	19998000
2018	19723000
2019	19580000
2020	19586000
2021	19881000