Year	hectares
1961	2033000
1962	1998000
1963	2010000
1964	2091000
1965	2163000
1966	2187000
1967	2196000
1968	2174000
1969	2156000
1970	2153000
1971	2134000
1972	2104000
1973	2095000
1974	2075000
1975	2061000
1976	2060000
1977	2067000
1978	2079000
1979	2069000
1980	2060000
1981	2051000
1982	2049000
1983	2032000
1984	2017000
1985	2009000
1986	2004000
1987	2007000
1988	1997000
1989	1978000
1990	1953000
1991	1927000
1992	1898000
1993	1875000
1994	1845000
1995	1783000
1996	1745000
1997	1722000
1998	1708000
1999	1699000
2000	1718000
2001	1689000
2002	1674000
2003	1659000
2004	1653000
2005	1643000
2006	1619000
2007	1597000
2008	1565000
2009	1536000
2010	1507000
2011	1488000
2012	1522200
2013	1495800
2014	1476000
2015	1464500
2016	1421000
2017	1396700
2018	1374000
2019	1364000
2020	1352000
2021	1343000