Year	hectares
1961	1262000
1962	1273000
1963	1285000
1964	1295000
1965	1305000
1966	1310000
1967	1317000
1968	1322000
1969	1327000
1970	1332000
1971	1340000
1972	1345000
1973	1350000
1974	1355000
1975	1363000
1976	1363000
1977	1363000
1978	1365000
1979	1366000
1980	1366000
1981	1368000
1982	1368000
1983	1368000
1984	1368000
1985	1372000
1986	1372000
1987	1376000
1988	1376000
1989	1378000
1990	1523000
1991	1528000
1992	1378000
1993	1622000
1994	1627000
1995	1633000
1996	1647000
1997	1607000
1998	1564000
1999	1547000
2000	1545000
2001	1466000
2002	1415000
2003	1252000
2004	1325000
2005	1287000
2006	1374000
2007	1365000
2008	1245000
2009	1171000
2010	1291000
2011	1161000
2012	1204000
2013	1201000
2014	1153600
2015	1137600
2016	1095800
2017	1163000
2018	1167000
2019	1158000
2020	1158000
2021	1158000