Year % of GDP 2010 26.994905137156742 2011 28.80804715453362 2012 27.24278431429114 2013 26.956275491991967 2014 25.805738956792563 2015 26.64618040523005 2016 25.91020376929499 2017 24.683870049994987 2018 25.403042384441576 2019 25.92674714570622 2020 25.076392300033675 2021 25.164455829716083 2022 25.41571388787401