Year % of GDP 1990 29.914365649484676 1991 31.315163289896986 1992 37.64887790589995 1993 43.06175493182784 1994 44.104503449565804 1995 46.34465766679311 1996 45.698834984729125 1997 68.46571754528729 1998 63.176702979776486 1999 59.157679350809055 2000 58.258020591215576 2001 60.28438051810896 2002 56.29940623593278 2003 54.44463383188848 2004 48.27972429058578 2005 84.71765916721434 2006 86.9818396994222 2007 84.26241869499715 2008 129.73843219961415 2009 145.74598075656638 2010 150.63381248410147 2011 156.91591824934207 2012 152.73962454605896 2013 140.95458020725852 2014 135.79652191406882 2015 117.37083958728087 2016 103.36242315295587 2017 90.44448690156918 2018 81.9621967417907 2019 90.11418946638726 2020 100.31626209567625 2021 95.92353753368829 2022 86.49654623089044