Year % of GDP 1979 7.18201017379761 1980 6.59742021560669 2008 4.33701992034912 2012 7.63800001144409 2013 7.29199981689453 2014 7.31899976730347 2015 7.96299982070923 2016 7.3439998626709 2017 6.40199995040894 2018 6.32499980926514 2019 6.03700017929077 2020 7.04199981689453 2021 6.29899978637695