Year Hectares 1990 1556000 1991 1474000 1992 1392000 1993 1310000 1994 1228000 1995 1146000 1996 1064000 1997 982000 1998 900000 1999 818000 2000 736000 2001 654000 2002 572000 2003 490000 2004 408000 2005 326000 2006 271600 2007 217200 2008 162800 2009 108400 2010 54000 2011 47200 2012 40400 2013 33600 2014 26800 2015 20000