Year % of total agricultural land 2007 17.426273458445042 2008 9.991532599491956 2009 16.815116956630316 2010 17.02322483975693 2011 17.01082431307244 2012 17.03987347040706 2013 17.28796428872231 2014 12.756644440470414 2015 13.454824150557778 2016 14.3014301430143 2017 14.562102256614898 2018 14.990447848146763 2019 15.247018739352642 2020 15.614878748750597 2021 16.54448971689562