Year	Hectares
1990	6690000
1991	6611000
1992	6532000
1993	6453000
1994	6374000
1995	6295000
1996	6216000
1997	6137000
1998	6058000
1999	5979000
2000	5900000
2001	5821000
2002	5742000
2003	5663000
2004	5584000
2005	5505000
2006	5426000
2007	5347000
2008	5268000
2009	5189000
2010	5110000
2011	5031000
2012	4952000
2013	4873000
2014	4794000
2015	4715000