Year	hectares
1961	15944000
1962	15829000
1963	15733000
1964	15701000
1965	15437000
1966	15436000
1967	15291000
1968	15265000
1969	15104000
1970	15088000
1971	14980000
1972	14844000
1973	14800000
1974	14764000
1975	14781000
1976	14763000
1977	14739000
1978	14709000
1979	14652000
1980	14621000
1981	14512000
1982	14484000
1983	14474000
1984	14535000
1985	14511000
1986	14484000
1987	14480000
1988	14464000
1989	14414000
1990	14388000
1991	14360000
1992	14337000
1993	14305000
1994	14300000
1995	14210000
1996	14004000
1997	14006000
1998	14057000
1999	14072000
2000	13993000
2001	13584000
2002	13010000
2003	12587000
2004	12610000
2005	12141000
2006	12368000
2007	11823000
2008	12043000
2009	12066000
2010	10829000
2011	11098000
2012	10925000
2013	10792000
2014	10928000
2015	10887000
2016	10806000
2017	10907000
2018	11009000
2019	11055000
2020	11150000
2021	11078760