Year	Hectares
1990	21875000
1991	21932000
1992	21989000
1993	22046000
1994	22103000
1995	22160000
1996	22217000
1997	22274000
1998	22331000
1999	22388000
2000	22445000
2001	22384600
2002	22324200
2003	22263800
2004	22203400
2005	22143000
2006	22158000
2007	22173000
2008	22188000
2009	22203000
2010	22218000
2011	22218000
2012	22218000
2013	22218000
2014	22218000
2015	22218000