Year	hectares
1961	153500
1962	154000
1963	155000
1964	131500
1965	112000
1966	106000
1967	123000
1968	114000
1969	127000
1970	129400
1971	133000
1972	143500
1973	151810
1974	201692
1975	177461
1976	182500
1977	178000
1978	156056
1979	187340
1980	191665
1981	203789
1982	214920
1983	152200
1984	132240
1985	102860
1986	149573
1987	131796
1988	128708
1989	114578
1990	110070
1991	102426
1992	93395
1993	94609
1994	114904
1995	129788
1996	143200
1997	146000
1998	149111
1999	159907
2000	166718
2001	176834
2002	184400
2003	199911
2004	208306
2005	226872
2006	229368
2007	248704
2008	248770
2009	264307
2010	173423
2011	162100
2012	163716
2013	139491
2014	148595
2015	148750
2016	167770
2017	169045
2018	175526
2019	183175
2020	389559
2021	354057
2022	354293