Year % of GDP 2008 27.627674642457784 2009 23.51215169005502 2010 15.666753301897026 2011 17.177725090194006 2012 16.74646601348991 2013 20.83681290555078 2014 23.792509929279618 2015 24.860828400617525 2016 22.365669011613367 2017 16.397641547638447 2018 14.998898302077704 2019 14.924247259922286 2020 16.055403199993332 2021 12.620914102118894 2022 12.188019538244923 2023 14.326322999659762