Year	Hectares
1990	4954000
1991	4957900
1992	4961800
1993	4965700
1994	4969600
1995	4973500
1996	4977400
1997	4981300
1998	4985200
1999	4989100
2000	4993000
2001	5074600
2002	5156200
2003	5237800
2004	5319400
2005	5401000
2006	5455200
2007	5509400
2008	5563600
2009	5617800
2010	5672000
2011	5664000
2012	5656000
2013	5648000
2014	5640000
2015	5632000