Year % of total agricultural land 2001 1.259859772129711 2002 1.2742382271468145 2003 1.2686401068328512 2004 1.2727475717316066 2005 1.2738853503184715 2006 1.2391158740790356 2008 0.5943703039138725 2009 0.5264926627086367 2010 0.33715441672285906 2011 0.3447887323943662 2012 0.34106412005457026 2013 0.3397924510974378 2014 0.3443917485128538 2015 0.35221944904480884 2016 0.3551044804106555 2017 0.35672239227690133 2018 0.35845262037146575 2019 0.36127339930845354 2020 0.365897838425311 2021 0.3498898947883533