Year	hectares
1961	539171
1962	568096
1963	582457
1964	573881
1965	472886
1966	583713
1967	584108
1968	606910
1969	582000
1970	763084
1971	732973
1972	682632
1973	734307
1974	875379
1975	691085
1976	720940
1977	849810
1978	901205
1979	836292
1980	867782
1981	889293
1982	795759
1983	824826
1984	937257
1985	912657
1986	882311
1987	726403
1988	865221
1989	729393
1990	869766
1991	830505
1992	802603
1993	862816
1994	938132
1995	933651
1996	697613
1997	721837
1998	803160
1999	906530
2000	867548
2001	796560
2002	848790
2003	946340
2004	748720
2005	950200
2006	948663
2007	856543
2008	1110843
2009	999340
2010	1124660
2011	1146945
2012	1131730
2013	1261819
2014	953655
2015	1279888
2016	1215182
2017	844329
2018	1111987
2019	1021215
2020	1144961
2021	1233820
2022	1198727