Year % of GDP 1987 0 1988 0 1989 0 1990 0 1991 0 1992 0 1993 0 1994 0 1995 0.221882412968402 1996 0.256359432717489 1997 0.189999564797865 1998 0.288030907686468 1999 0.36429093541914 2000 0.366273387584512 2001 0.285706350592336 2002 0.279362833891642 2003 0.332375736444307 2004 0.306456512058375 2005 0.229376263662107 2006 0.235052703029454 2007 0.227467625802188 2008 0.203305184059456 2009 0.244069696004232 2010 0.229686936034046 2011 0.254784015362109 2012 0.210147113402788 2013 0.196894560277326 2014 0.28718706107193 2015 0.390353886381221 2016 0.348923833541512 2017 0.37008282704992 2018 0.363229785921986 2019 0.277766267046023 2020 0.271793504024285 2021 0.209022460450405