Year	Hectares
1990	44400
1991	42720
1992	41040
1993	39360
1994	37680
1995	36000
1996	34320
1997	32640
1998	30960
1999	29280
2000	27600
2001	27460
2002	27320
2003	27180
2004	27040
2005	26900
2006	26900
2007	26900
2008	26900
2009	26900
2010	26900
2011	26900
2012	26900
2013	26900
2014	26900
2015	26900