Year	Hectares
1991	40010
1992	40450
1993	40890
1994	41330
1995	41770
1996	42210
1997	42650
1998	43090
1999	43530
2000	43970
2001	44410
2002	44850
2003	45290
2004	45730
2005	46170
2006	46610
2007	47050
2008	47490
2009	47930
2010	48370
2011	48370
2012	48370
2013	48370
2014	48370
2015	48370