Year	Hectares
1990	22164000
1991	21837000
1992	21510000
1993	21183000
1994	20856000
1995	20529000
1996	20202000
1997	19875000
1998	19548000
1999	19221000
2000	18894000
2001	18567000
2002	18240000
2003	17913000
2004	17586000
2005	17259000
2006	16932000
2007	16605000
2008	16278000
2009	15951000
2010	15624000
2011	15311600
2012	14999200
2013	14686800
2014	14374400
2015	14062000