Year Percent of GDP 2009 4.851 2010 17.701 2011 18.833 2012 5.335 2013 4.485 2014 5.86 2015 6.416 2016 14.803 2017 14.976 2018 7.603 2019 5.251 2020 4.945 2021 4.713 2022 4.679 2023 4.607