Year % of GDP 1993 12.20165197253622 1994 15.222218228652995 1995 12.263821506777383 1996 16.07767472017252 1997 20.15666107323749 1998 16.256139281392215 2000 35.008444097580856 2001 19.313492515916398 2002 15.48064695165739 2003 19.3319134922013 2004 22.637315661546104 2005 21.020033482378484 2006 34.205512793884076 2007 82.84326836035866 2008 49.953431933727366 2009 74.51083176887042 2010 65.6137313412669 2011 45.666069034119516 2012 35.177560968776284 2013 43.726764587479906 2014 58.69515514824217 2015 173.24160057679177 2016 87.0554696568378 2017 77.41612542234111 2018 58.454564580312535 2019 75.35333841335672 2020 132.24091152983058 2021 138.9985007709416 2022 107.83213342365397