Year Hectares 1990 150000 1991 155000 1992 160000 1993 165000 1994 170000 1995 175000 1996 180000 1997 185000 1998 190000 1999 195000 2000 200000 2001 206000 2002 212000 2003 218000 2004 224000 2005 230000 2006 232000 2007 234000 2008 236000 2009 238000 2010 240000 2011 250000 2012 260000 2013 270000 2014 280000 2015 290000