Year	hectares
1961	36972803
1962	35900109
1963	40327833
1964	42862734
1965	42163134
1966	43306726
1967	44762944
1968	46041563
1969	45552895
1970	46241488
1971	48196798
1972	46718580
1973	46142100
1974	46895003
1975	49237988
1976	52917530
1977	50826029
1978	49862439
1979	48357056
1980	48900933
1981	51604780
1982	52691997
1983	49943409
1984	50455801
1985	51141936
1986	51524183
1987	53006943
1988	51338528
1989	49839001
1990	46665694
1991	48080400
1992	48488247
1993	45600602
1994	48515009
1995	48759088
1996	47260075
1997	49999109
1998	46439330
1999	46311515
2000	47996551
2001	49490289
2002	47899022
2003	50058046
2004	50160134
2005	48830527
2006	47257003
2007	50083170
2008	53211997
2009	48848694
2010	48130450
2011	50681673
2012	52510191
2013	53788048
2014	54244750
2015	54210504
2016	53183315
2017	57692170
2018	57119986
2019	57641779
2020	61011278
2021	62445785
2022	66118276