Year	hectares
1961	24400
1962	29000
1963	27100
1964	24300
1965	20745
1966	22087
1967	24700
1968	23500
1969	21000
1970	23100
1971	17800
1972	17500
1973	20900
1974	24000
1975	30000
1976	35000
1977	41000
1978	50000
1979	57000
1980	63000
1981	59000
1982	62500
1983	65000
1984	66928
1985	69673
1986	70572
1987	69739
1988	63675
1989	62036
1990	82559
1991	90917
1992	77751
1993	76924
1994	78116
1995	74222
1996	77798
1997	76975
1998	45720
1999	66867
2000	72000
2001	91764
2002	88396
2003	93950
2004	75000
2005	98000
2006	116000
2007	103400
2008	125068
2009	110338
2010	106803
2011	57260
2012	87086
2013	70818
2014	65443
2015	82407
2016	60970
2017	57532
2018	57202
2019	52464
2020	47993
2021	84458
2022	79665