Year % of total agricultural land 2001 29.985670937289278 2002 29.990094627916292 2003 29.928910949396375 2004 30.03217733285663 2005 30.05085529357374 2006 30.035744322960472 2007 30.055713234521182 2008 30.052347215506547 2009 29.525150820843756 2010 29.47679785180834 2011 29.454568330991677 2012 29.526246251284526 2013 29.651138412512058 2014 29.723043377990233 2015 30.00125791437796 2016 29.811439346323066 2017 29.929879644165357 2018 29.988492520138088 2019 30.01443605247191 2020 30.64580238907136 2021 30.734635819771576