Year	hectares
1961	23676000
1962	23823000
1963	23971000
1964	24118000
1965	24265000
1966	24413000
1967	24560000
1968	24708000
1969	24855000
1970	25002000
1971	25150000
1972	25297000
1973	25444000
1974	25592000
1975	25739000
1976	25886000
1977	26034000
1978	26181000
1979	26328000
1980	26476000
1981	26623000
1982	26771000
1983	26918000
1984	27065000
1985	27213000
1986	27360000
1987	27482000
1988	27712000
1989	27888000
1990	28074000
1991	29000000
1992	30100000
1993	30100000
1994	31000000
1995	32900000
1996	33100000
1997	33200000
1998	34000000
1999	35000000
2000	35000000
2001	35651000
2002	35688000
2003	35719000
2004	35751000
2005	35782000
2006	35814000
2007	35845000
2008	35877000
2009	36872000
2010	35940000
2011	35971000
2012	36003000
2013	36034000
2014	36066000
2015	36097000
2016	36129000
2017	36160000
2018	36420000
2019	36872000
2020	36872000
2021	36872000