Year % of GDP 2002 60.90342679127726 2003 62.469733656174334 2004 77.43801652892563 2005 78.69934024505184 2006 75.95959595959596 2007 61.72707889125799 2008 48.881789137380196 2009 45.28301886792453 2010 50.68836045056321 2011 61.59122085048011 2012 64.07506702412869 2013 68.00518134715026 2014 67.3076923076923 2015 69.78021978021978 2016 81.13821138211382 2017 62.11538461538461 2018 57.9554189085319 2019 62.235393734123626 2020 62.47086247086248