Year	Hectares
1990	472000
1991	476600
1992	481200
1993	485800
1994	490400
1995	495000
1996	499600
1997	504200
1998	508800
1999	513400
2000	518000
2001	522600
2002	527200
2003	531800
2004	536400
2005	541000
2006	545400
2007	549800
2008	554200
2009	558600
2010	563000
2011	567600
2012	572200
2013	576800
2014	581400
2015	586000