Year	hectares
1961	471000
1962	574000
1963	586000
1964	618000
1965	613000
1966	624000
1967	698200
1968	712700
1969	731050
1970	714300
1971	711200
1972	711200
1973	729700
1974	784000
1975	1020700
1976	1041150
1977	1073820
1978	1123650
1979	1166800
1980	927200
1981	943100
1982	984700
1983	1043500
1984	1129200
1985	1097000
1986	1225000
1987	1274000
1988	1300000
1989	1353000
1990	1115596
1991	1163560
1992	1185538
1993	1026144
1994	1140765
1995	1157449
1996	974938
1997	949280
1998	829586
1999	768277
2000	764363
2001	760406
2002	759651
2003	730329
2004	743359
2005	775972
2006	788783
2007	780280
2008	811788
2009	834856
2010	864043
2011	853734
2012	1121491
2013	1246187
2014	1294102
2015	1503735
2016	1423194
2017	1464090
2018	1425662
2019	1387042
2020	1291849
2021	1321740
2022	1463957