Year % of GDP 2008 34.578529965320655 2009 38.20901765802019 2010 45.23734008490091 2011 49.77502360101015 2012 52.56132076294507 2013 61.066266255546566 2014 64.25730646764019 2015 67.38279070202994 2016 70.4072936045813 2017 71.75493335560532 2018 68.78573980196913 2019 67.07202935068287 2020 76.65750064051272 2021 73.87820824071979 2022 55.96380681584024 2023 51.38224094331492