Year	hectares
1961	452000
1962	453000
1963	453000
1964	459000
1965	460000
1966	462000
1967	468000
1968	463000
1969	480000
1970	483000
1971	487000
1972	491000
1973	429000
1974	390000
1975	378000
1976	360000
1977	402232
1978	465843
1979	444450
1980	413000
1981	391000
1982	376000
1983	410000
1984	415000
1985	440369
1986	480140
1987	476220
1988	489911
1989	466000
1990	351500
1991	405000
1992	462879
1993	445000
1994	460000
1995	445899
1996	423200
1997	488000
1998	440673
1999	490000
2000	462000
2001	439200
2002	408500
2003	414300
2004	426200
2005	423800
2006	431000
2007	541800
2008	437000
2009	556500
2010	641290
2011	627266
2012	410026
2013	578678
2014	655762
2015	438176
2016	437237
2017	541032
2018	585101
2019	243781
2020	323531
2021	353628
2022	322147