Year % of total agricultural land 2001 3.6424886830192653 2002 3.6771484174946223 2003 3.5568274734260017 2004 3.6215666327568665 2005 3.6237785016286646 2006 3.8037935957576994 2007 3.8857725650178483 2008 4.00769152919745 2009 4.127081417918071 2010 3.8951982466626816 2011 3.762907069102462 2012 3.8399516226567223 2013 3.942472090918234