Year % of GDP 2000 0.00585816302890919 2001 0.0127152271727971 2002 0.0117613396411939 2003 0.00352027025105901 2004 0.0154678629612014 2005 0.00555059842920357 2006 0.0043856177211333 2007 0.14096051546518 2008 0.295025897767202 2009 0.284975460928843 2010 0.413568041078707 2011 5.805338657141 2012 8.82701310448789 2013 11.6826942161479 2014 7.7016979887302 2015 0.316280306796235 2016 0.522159021029362 2017 1.29484144538855 2018 0 2019 0 2020 0 2021 5.43515850046016