Year Hectares 1990 14005000 1991 14305600 1992 14606200 1993 14906800 1994 15207400 1995 15508000 1996 15808600 1997 16109200 1998 16409800 1999 16710400 2000 17011000 2001 16828800 2002 16646600 2003 16464400 2004 16282200 2005 16100000 2006 16129800 2007 16159600 2008 16189400 2009 16219200 2010 16249000 2011 16279000 2012 16309000 2013 16339000 2014 16369000 2015 16399000