Year	hectares
1961	8605000
1962	8597000
1963	8605000
1964	8640000
1965	8777000
1966	8798000
1967	8843000
1968	8829000
1969	8810000
1970	8837000
1971	8837000
1972	9133000
1973	9131000
1974	9131000
1975	9144000
1976	9138000
1977	9131000
1978	9125000
1979	9118000
1980	9121000
1981	9109000
1982	9104000
1983	9089000
1984	9185000
1985	9152000
1986	9161000
1987	9235000
1988	9537000
1989	9553000
1990	9456000
1991	9385000
1992	8609000
1993	8506000
1994	8408000
1995	8404000
1996	8357000
1997	8390000
1998	8454000
1999	8436000
2000	8350000
2001	8303000
2002	8253000
2003	8228000
2004	8143000
2005	7911000
2006	7880000
2007	7816000
2008	7803000
2009	7796000
2010	7791000
2011	7678000
2012	7670000
2013	7678000
2014	7669000
2015	7732240
2016	7764210
2017	7757330
2018	7772300
2019	7967000
2020	8000000
2021	8110000