Year	hectares
1961	200000
1962	210000
1963	239000
1964	255000
1965	257000
1966	133000
1967	134000
1968	140000
1969	147000
1970	154000
1971	162000
1972	170000
1973	182000
1974	201000
1975	191000
1976	200000
1977	206000
1978	194000
1979	201000
1980	197000
1981	210000
1982	210000
1983	235710
1984	231600
1985	230731
1986	233104
1987	235830
1988	233200
1989	252200
1990	175000
1991	110000
1992	120000
1993	60000
1994	45000
1995	50000
1996	75600
1997	135200
1998	161900
1999	153700
2000	143500
2001	130000
2002	120000
2003	120000
2004	120000
2005	120000
2006	130000
2007	160000
2008	190000
2009	247580
2010	251230
2011	248070
2012	231072
2013	215979
2014	226968
2015	262154
2016	312314
2017	233590
2018	238090
2019	245000
2020	243000
2021	243000
2022	257000