Year Hectares 1990 14436000 1991 14521300 1992 14606600 1993 14691900 1994 14777200 1995 14862500 1996 14947800 1997 15033100 1998 15118400 1999 15203700 2000 15289000 2001 15403400 2002 15517800 2003 15632200 2004 15746600 2005 15861000 2006 15973600 2007 16086200 2008 16198800 2009 16311400 2010 16424000 2011 16537000 2012 16650000 2013 16763000 2014 16876000 2015 16989000