Year % of total agricultural land 2002 21 2003 22.22222222222222 2004 21.428571428571427 2005 21.875 2006 22.340425531914892 2007 22.82608695652174 2008 23.076923076923077 2009 23.076923076923077 2010 21.978021978021978 2011 22.47191011235955 2012 21.839080459770116 2013 22.093023255813954 2014 19.767441860465116 2015 19.302325581395348 2016 19.53488372093023 2017 19.186046511627907 2018 20.232558139534884 2019 18.13953488372093 2020 18.372093023255815 2021 17.790697674418603