Year	hectares
1961	107461
1962	100060
1963	81519
1964	149581
1965	120530
1966	138360
1967	117929
1968	115822
1969	114202
1970	112100
1971	102990
1972	81867
1973	94625
1974	116977
1975	137035
1976	99685
1977	139000
1978	116700
1979	91316
1980	95974
1981	88770
1982	97691
1983	76616
1984	98266
1985	78879
1986	85292
1987	77242
1988	76389
1989	72330
1990	53262
1991	77434
1992	84117
1993	104256
1994	104178
1995	135749
1996	138082
1997	145325
1998	131394
1999	149153
2000	119122
2001	126115
2002	109123
2003	132400
2004	120100
2005	109900
2006	105100
2007	110500
2008	122800
2009	128530
2010	134570
2011	143537
2012	146308
2013	167711
2014	188322
2015	193922
2016	153129
2017	176231
2018	169939
2019	180740
2020	188443
2021	158748
2022	157154