Year	Hectares
1990	5040000
1991	5022700
1992	5005400
1993	4988100
1994	4970800
1995	4953500
1996	4936200
1997	4918900
1998	4901600
1999	4884300
2000	4867000
2001	4850000
2002	4833000
2003	4816000
2004	4799000
2005	4782000
2006	4765400
2007	4748800
2008	4732200
2009	4715600
2010	4699000
2011	4682600
2012	4666200
2013	4649800
2014	4633400
2015	4617000