Year	Hectares
1990	4751000
1991	4662800
1992	4574600
1993	4486400
1994	4398200
1995	4310000
1996	4221800
1997	4133600
1998	4045400
1999	3957200
2000	3869000
2001	3781000
2002	3693000
2003	3605000
2004	3517000
2005	3429000
2006	3293800
2007	3158600
2008	3023400
2009	2888200
2010	2753000
2011	2617800
2012	2482600
2013	2347400
2014	2212200
2015	2077000