Year	Hectares
1990	17938000
1991	18400200
1992	18862400
1993	19324600
1994	19786800
1995	20249000
1996	20711200
1997	21173400
1998	21635600
1999	22097800
2000	22560000
2001	22933000
2002	23306000
2003	23679000
2004	24052000
2005	24425000
2006	24652800
2007	24880600
2008	25108400
2009	25336200
2010	25564000
2011	25724000
2012	25884000
2013	26044000
2014	26204000
2015	26364000