Year % of total agricultural land 2001 25 2002 25 2003 23.376623376623375 2004 21.794871794871796 2005 20.958083832335326 2006 21.019108280254777 2007 20.244565217391305 2008 21.10726643598616 2009 22.413793103448278 2010 21.83406113537118 2011 21.410146173688734 2012 20.958083832335326 2013 21.317651382890748 2014 21.288309781611307 2015 19.97158193874329 2016 21.47728311545845 2020 21.040381733389843