Year % of GDP 1997 0.6695672989517688 1998 0.36276781069885455 1999 0.28089327647007606 2000 0.15171631289019463 2001 0.25869463648955543 2002 0.3104275251770686 2003 0.38175714200260946 2004 1.1046546677548539 2005 1.4438870045865277 2006 1.3150392314622423 2007 1.5963854911460444 2008 0.5716013394324854 2009 0.9475063213607076 2010 0.9866590156907837 2011 1.5212582645908155 2012 1.1196715269898516 2013 0.7821517462126915 2014 0.7764762141032334 2015 0.9891171534148927 2016 0.9288423598381846 2017 1.1189111277158101 2018 1.0006985567534663 2019 0.8144880639317025 2020 1.1670117191455975 2021 0.7591960196462874 2022 0.8145731379108962