Year	Hectares
1990	3900000
1991	3823500
1992	3747000
1993	3670500
1994	3594000
1995	3517500
1996	3441000
1997	3364500
1998	3288000
1999	3211500
2000	3135000
2001	3058400
2002	2981800
2003	2905200
2004	2828600
2005	2752000
2006	2675600
2007	2599200
2008	2522800
2009	2446400
2010	2370000
2011	2293600
2012	2217200
2013	2140800
2014	2064400
2015	1988000