Year	hectares
1961	329000
1962	327000
1963	325000
1964	323000
1965	322000
1966	320000
1967	318000
1968	316000
1969	314000
1970	313000
1971	311000
1972	309000
1973	307000
1974	212000
1975	116400
1976	114000
1977	112000
1978	110000
1979	108000
1980	107200
1981	110400
1982	115000
1983	116000
1984	115000
1985	102800
1986	103200
1987	103400
1988	103400
1989	104400
1990	105600
1991	106200
1992	107600
1993	108700
1994	99400
1995	99100
1996	99000
1997	98100
1998	100100
1999	101100
2000	98400
2001	98000
2002	100000
2003	112000
2004	113000
2005	123000
2006	115000
2007	109800
2008	82400
2009	86900
2010	82600
2011	84000
2012	85800
2013	79730
2014	80180
2015	98380
2016	81600
2017	94330
2018	104565
2019	96395.5
2020	99448.3
2021	95156.6