Year	hectares
1961	6472000
1962	6300000
1963	6200000
1964	6132000
1965	6203000
1966	6221000
1967	6301000
1968	6243000
1969	6233000
1970	6248000
1971	6380000
1972	6510000
1973	6512000
1974	6544000
1975	6845000
1976	7092000
1977	6904000
1978	6892000
1979	6846000
1980	6875000
1981	6885000
1982	6881000
1983	6592000
1984	6915000
1985	6910000
1986	6967000
1987	7069000
1988	7101000
1989	7129000
1990	7081000
1991	7260000
1992	7562000
1993	7533000
1994	7477000
1995	7519000
1996	7521000
1997	7650000
1998	7661000
1999	7673000
2000	7662000
2001	7583000
2002	7547000
2003	7503700
2004	7493000
2005	7511000
2006	7470000
2007	7469000
2008	7489000
2009	7493000
2010	7502000
2011	7502000
2012	7506500
2013	7496200
2014	7469400
2015	7462100
2016	7404200
2017	7470807.1
2018	7500703.6
2019	7530600
2020	7530600
2021	7530600