Year % of GDP 2008 3.46974810931307 2009 1.27548398495597 2010 2.55556688241113 2011 2.41955836525131 2012 0.984751666231743 2013 0.528578459655645 2014 0.522780519330801 2015 0.345818043207918 2016 0.394911793338711 2017 0.559517101853948 2018 0.582555742632103 2019 0.403302686372993 2020 0.405629883811269 2021 0.928898942515976