Year	hectares
1961	1689000
1962	1681000
1963	1656000
1964	1657000
1965	1660000
1966	1616000
1967	1600000
1968	1601000
1969	1585000
1970	1586000
1971	1587000
1972	1588000
1973	1514000
1974	1514000
1975	1511000
1976	1520000
1977	1529000
1978	1547000
1979	1523000
1980	1536000
1981	1549000
1982	1535000
1983	1439000
1984	1445000
1985	1448000
1986	1439000
1987	1439000
1988	1458000
1989	1459000
1990	1426000
1991	1445000
1992	1436000
1993	1419000
1994	1423000
1995	1414000
1996	1410000
1997	1406000
1998	1404000
1999	1402000
2000	1399000
2001	1387000
2002	1385000
2003	1380030
2004	1379300
2005	1380700
2006	1377200
2007	1376000
2008	1369000
2009	1366600
2010	1363800
2011	1359600
2012	1355100
2013	1353900
2014	1351700
2015	1346100
2016	1344490
2017	1328940
2018	1327150
2019	1325530
2020	1324971.4
2021	1319765.4