Year % of GDP 1993 12.53270503792309 1994 15.521763990957146 1995 12.37243810560816 1996 16.204104005620614 1997 20.260326912058616 1998 16.430749381161945 2000 36.7873723396279 2001 20.608186026136742 2002 16.75803752174291 2003 20.36060140156118 2004 24.84896283632425 2005 22.740660839375444 2006 32.50511634665653 2007 82.45126840923498 2008 48.42940742023018 2009 77.8747732248694 2010 68.34068778018535 2011 47.27664279747892 2012 36.83068117292489 2013 46.58257320793786 2014 62.50541466833799 2015 183.00790625281178 2016 91.36848880673162 2017 82.18113251922259 2018 62.244708993127894 2019 79.49438829508685 2020 137.0381818051196 2021 145.42151769064694 2022 113.76187379030301