Year	Hectares
1990	50000
1991	49730
1992	49470
1993	49200
1994	48930
1995	48660
1996	48400
1997	48130
1998	47860
1999	47600
2000	47330
2001	47060
2002	46790
2003	46530
2004	46260
2005	45990
2006	45720
2007	45460
2008	45190
2009	44930
2010	44660
2011	44390
2012	44130
2013	43860
2014	43600
2015	43330