Year	Hectares
1990	4578000
1991	5054700
1992	5531400
1993	6008100
1994	6484800
1995	6961500
1996	7438200
1997	7914900
1998	8391600
1999	8868300
2000	9345000
2001	9818000
2002	10291000
2003	10764000
2004	11237000
2005	11710000
2006	12163000
2007	12616000
2008	13069000
2009	13522000
2010	13975000
2011	14336800
2012	14698600
2013	15060400
2014	15422200
2015	15784000