Year	Hectares
1990	3820000
1991	3841000
1992	3862000
1993	3883000
1994	3904000
1995	3925000
1996	3946000
1997	3967000
1998	3988000
1999	4009000
2000	4030000
2001	4210000
2002	4390000
2003	4570000
2004	4750000
2005	4930000
2006	4917400
2007	4904800
2008	4892200
2009	4879600
2010	4867000
2011	4901800
2012	4936600
2013	4971400
2014	5006200
2015	5041000