Year	hectares
1961	1103891
1962	987560
1963	957682
1964	982732
1965	1002806
1966	1069151
1967	1213432
1968	1124870
1969	1171477
1970	1192006
1971	1210951
1972	1038489
1973	1088786
1974	1165878
1975	1016141
1976	1050664
1977	1004349
1978	986824
1979	963220
1980	1122046
1981	1150229
1982	1098568
1983	1036868
1984	1081127
1985	1113645
1986	1086989
1987	1141033
1988	1342547
1989	1267306
1990	1242337
1991	1061912
1992	1410846
1993	1433128
1994	1782081
1995	1483881
1996	1709533
1997	1640253
1998	1424476
1999	1559863
2000	1630958
2001	1509096
2002	1508184
2003	1469334
2004	1490296
2005	1507593
2006	1612874
2007	1427709
2008	1570850
2009	1729754
2010	1702433
2011	1527231
2012	1656025
2013	1469399
2014	1818415
2015	1542995
2016	1427310
2017	1592993
2018	1628587
2019	1204112
2020	1501973
2021	1509143
2022	1462170