Year % of GDP 1993 12.53270503792309 1994 15.521763990957146 1995 12.37243810560816 1996 16.204104005620618 1997 20.26032691205861 1998 16.43074938116194 2000 36.78737233962791 2001 20.608186026136742 2002 16.75803752174291 2003 20.360601401561183 2004 24.848962836324258 2005 22.740660839375444 2006 32.505116346656536 2007 82.45126840923497 2008 48.42940742023017 2009 77.8747732248694 2010 68.34068778018535 2011 47.27664279747892 2012 36.83068117292488 2013 46.58257320793785 2014 62.505414668338005 2015 183.00790625281178 2016 91.36848880673163 2017 82.18113251922259 2018 62.222402140950535 2019 79.46482217047327 2020 136.98710675625767 2021 145.37148444064016 2022 113.71683025822162