Year	hectares
1961	1796000
1962	1929000
1963	2200000
1964	2419000
1965	2511000
1966	2417000
1967	2426000
1968	2450000
1969	2461000
1970	2558000
1971	2558000
1972	3143000
1973	3196222.7
1974	3249445.5
1975	3302668.2
1976	3355890.9
1977	3409113.6
1978	3462336.4
1979	3515559.1
1980	3568781.8
1981	3622004.5
1982	3675227.3
1983	3728450
1984	3781672.7
1985	3834895.5
1986	3888118.2
1987	3941340.9
1988	3994563.6
1989	4047786.4
1990	4101009.1
1991	4154231.8
1992	4207454.5
1993	4260677.3
1994	4313900
1995	4347800
1996	4381700
1997	4415600
1998	4449500
1999	4483400
2000	4517300
2001	4551200
2002	4585100
2003	4619000
2004	4652900
2005	4686800
2006	4720700
2007	4754600
2008	4788500
2009	4822400
2010	4856300
2011	4890200
2012	4924160
2013	4671913
2014	4419666
2015	4167433
2016	3798172
2017	3756825
2018	3814351
2019	3580226
2020	3935261.5
2021	4290296