Year	hectares
1961	2454000
1962	2396000
1963	2338000
1964	2281000
1965	2223000
1966	2166000
1967	2093000
1968	2020000
1969	1946000
1970	1804000
1971	1764000
1972	1723000
1973	1684000
1974	1644000
1975	1604000
1976	1564000
1977	1524000
1978	1484000
1979	1443000
1980	1403000
1981	1387000
1982	1370000
1983	1354000
1984	1338000
1985	1322000
1986	1308000
1987	1291000
1988	1275000
1989	1257000
1990	1241000
1991	1254000
1992	1267000
1993	1280000
1994	1293000
1995	1306000
1996	1319000
1997	1333000
1998	1347000
1999	1361000
2000	1373000
2001	1377000
2002	1381000
2003	1385000
2004	1389000
2005	1392000
2006	1396000
2007	1476000
2008	1826000
2009	2195000
2010	2033000
2011	2352000
2012	2160000
2013	2307700
2014	2436100
2015	2428600
2016	2226300
2017	2183900
2018	2151800
2019	2088300
2020	2024400
2021	2030605