Year % of GDP 2007 25.466751541088012 2008 21.454940864611018 2009 37.27248349259808 2010 18.30213264645251 2011 12.249329418285877 2012 15.122263740128657 2013 9.997307475186355 2014 10.818663005369352 2015 17.26022896571556 2016 5.179483700922961 2017 11.544403059149587 2018 8.818925400030203 2019 7.534929223552115 2020 11.130049482096357 2021 11.835696937431344 2022 14.006201304776479