Year	hectares
1961	111600
1962	115200
1963	116100
1964	180800
1965	180000
1966	166817
1967	204820
1968	224914
1969	176049
1970	239309
1971	268800
1972	243000
1973	232236
1974	264993
1975	278563
1976	316434
1977	357038
1978	342609
1979	310000
1980	306200
1981	305923
1982	376040
1983	298000
1984	311260
1985	326530
1986	340700
1987	340000
1988	464700
1989	477600
1990	393698
1991	417757
1992	443798
1993	473612
1994	428396
1995	540352
1996	582162
1997	645904
1998	591222
1999	588161
2000	511879
2001	753625
2002	740979
2003	821259
2004	803935
2005	806850
2006	1034122
2007	1098250
2008	1283919
2009	1343070
2010	1439298
2011	1541594
2012	1700000
2013	1702991
2014	1505000
2015	1709060
2016	1641000
2017	1621000
2018	1673000
2019	1763045
2020	1791825
2021	1649015
2022	1841445