Year	Hectares
1990	4984000
1991	5003200
1992	5022400
1993	5041600
1994	5060800
1995	5080000
1996	5099200
1997	5118400
1998	5137600
1999	5156800
2000	5176000
2001	5264800
2002	5353600
2003	5442400
2004	5531200
2005	5620000
2006	5890600
2007	6161200
2008	6431800
2009	6702400
2010	6973000
2011	7125600
2012	7278200
2013	7430800
2014	7583400
2015	7736000