Year	hectares
1961	97000
1962	101000
1963	101000
1964	120000
1965	100000
1966	95000
1967	83500
1968	76000
1969	69000
1970	69000
1971	68000
1972	69500
1973	76000
1974	93000
1975	122000
1976	140000
1977	134000
1978	117000
1979	127000
1980	133000
1981	166000
1982	233000
1983	208300
1984	179000
1985	127000
1986	118000
1987	100000
1988	84809
1989	97276
1990	109273
1991	110824
1992	117166
1993	126253
1994	136322
1995	143009
1996	127759
1997	126040
1998	121313
1999	140023
2000	162150
2001	160893
2002	141900
2003	133300
2004	147231
2005	160332
2006	159459
2007	136586
2008	145611
2009	139290
2010	148586
2011	137316
2012	164149
2013	188953
2014	119173
2015	148340
2016	159119
2017	152250
2018	160194
2019	186310
2020	191878
2021	207384
2022	206926