Year	Hectares
1990	39218000
1991	38783000
1992	38348000
1993	37913000
1994	37478000
1995	37043000
1996	36608000
1997	36173000
1998	35738000
1999	35303000
2000	34868000
2001	34558600
2002	34249200
2003	33939800
2004	33630400
2005	33321000
2006	33011400
2007	32701800
2008	32392200
2009	32082600
2010	31773000
2011	31226600
2012	30680200
2013	30133800
2014	29587400
2015	29041000