Year	hectares
1961	124375
1962	125583
1963	140382
1964	137402
1965	131282
1966	135954
1967	145195
1968	211306
1969	218508
1970	195634
1971	215028
1972	236039
1973	211887
1974	191024
1975	204243
1976	229801
1977	218485
1978	205402
1979	207913
1980	191767
1981	180679
1982	194344
1983	192447
1984	232785
1985	256625
1986	266842
1987	224637
1988	166845
1989	157032
1990	172807
1991	157272
1992	138902
1993	152163
1994	150717
1995	133687
1996	156560
1997	166339
1998	138107
1999	141472
2000	135440
2001	143907
2002	149670
2003	133780
2004	118079
2005	115175
2006	112204
2007	117089
2008	135409
2009	162706
2010	135547
2011	143731
2012	145843
2013	136106
2014	136664
2015	138865
2016	130787
2017	110699
2018	121248
2019	123959
2020	112694
2021	112997
2022	113518