Year % of total agricultural land 2003 1.9070858751759738 2004 1.9527071408463919 2005 5.054893497231867 2006 5.067092052172281 2007 4.97750702905342 2008 5.430796768419524 2009 5.479051829921505 2010 5.8090308132053785 2011 6.384595645565623 2012 5.691857688634193 2013 5.823935026033814 2014 5.943411512131892 2019 6.280565209248122 2020 6.240606147954456 2021 6.163128307559253