Year % of GDP 2005 0 2006 0.8026406480578717 2007 1.9242753134414365 2008 2.72241156837984 2009 15.592510641236432 2010 15.549892446293399 2011 13.131075154915722 2012 10.327800731546546 2013 2.410911092667522 2014 3.0175359562931527 2015 3.860701047156883 2016 4.851411139887923 2017 5.446380717933906 2018 6.150144578689841 2019 4.960801626640746 2020 5.8987324687730505 2021 4.845085287608774 2022 5.803598098883316 2023 10.881279265563133