Year	hectares
1961	37264205
1962	36204208
1963	40600968
1964	43054361
1965	42318922
1966	43456497
1967	44917699
1968	46219973
1969	45780245
1970	46548228
1971	48473903
1972	47019422
1973	46476145
1974	47192629
1975	49502020
1976	53159867
1977	51057095
1978	50093477
1979	48583809
1980	49128522
1981	51829283
1982	52922802
1983	50172559
1984	50696501
1985	51382386
1986	51776043
1987	53240908
1988	51570155
1989	50086392
1990	46897979
1991	48304356
1992	48742088
1993	45793657
1994	48788310
1995	49015060
1996	47618471
1997	50373459
1998	46770191
1999	46601930
2000	48323825
2001	49803118
2002	48219869
2003	50395742
2004	50464806
2005	49116612
2006	47524674
2007	50361326
2008	53497241
2009	49268812
2010	48532812
2011	51033381
2012	52868551
2013	54168565
2014	54606550
2015	54477767
2016	53500216
2017	57967782
2018	57402589
2019	57890347
2020	61215837
2021	62639947
2022	66269492