Year	hectares
1961	10400000
1962	10600000
1963	10800000
1964	11000000
1965	11200000
1966	11400000
1967	11600000
1968	11800000
1969	12000000
1970	12300000
1971	12431000
1972	13150000
1973	13900000
1974	14624000
1975	14900000
1976	15164000
1977	15773000
1978	16108000
1979	16315000
1980	16515000
1981	16855000
1982	17199000
1983	17293000
1984	17401000
1985	17693000
1986	17810000
1987	17930000
1988	17728000
1989	17581000
1990	17494000
1991	17510000
1992	17238000
1993	17085000
1994	17078000
1995	17060000
1996	17224000
1997	17417000
1998	17589000
1999	17617000
2000	17675000
2001	17738000
2002	17781000
2003	17820000
2004	17912000
2005	17950000
2006	17953000
2007	17945000
2008	17838000
2009	17547000
2010	17524000
2011	17528000
2012	17432000
2013	17336265.4
2014	17042000
2015	16911000
2016	16867000
2017	16747000
2018	16745696.5
2019	16800000
2020	16971899.7
2021	17150000