Year	hectares
1961	1276158
1962	1150028
1963	1101366
1964	1194417
1965	1185510
1966	1267369
1967	1394316
1968	1307822
1969	1349905
1970	1378219
1971	1390079
1972	1194547
1973	1262363
1974	1369633
1975	1247603
1976	1245626
1977	1237701
1978	1200370
1979	1153850
1980	1321931
1981	1347769
1982	1305144
1983	1221143
1984	1293220
1985	1309334
1986	1286691
1987	1330242
1988	1529485
1989	1453230
1990	1387172
1991	1242289
1992	1605319
1993	1638812
1994	1985855
1995	1721666
1996	1953849
1997	1883193
1998	1645735
1999	1793829
2000	1825706
2001	1718805
2002	1694640
2003	1689905
2004	1695815
2005	1703026
2006	1796088
2007	1618305
2008	1775864
2009	1958091
2010	1933046
2011	1769147
2012	1892102
2013	1739151
2014	2107843
2015	1837322
2016	1685039
2017	1869365
2018	1890795
2019	1485583
2020	1792265
2021	1768677
2022	1720632