Year % of GDP 1992 40.44456623359876 1993 8.376260249714939 1994 11.075474355377317 1995 7.265852889858319 1996 5.623216219799844 1997 6.028109108500215 1998 7.409641946123877 1999 8.728443252796861 2000 9.929470466780687 2001 7.512859121722054 2002 6.724213601630925 2003 5.637487679775417 2004 6.860041529208854 2005 7.937914210311034 2006 8.736215604732012 2007 13.47936236318062 2008 19.274999297489178 2009 24.216991465445364 2010 27.65661444119684 2011 34.29239953174842 2012 38.85746516990372 2013 41.07974499883661 2014 47.22583743129988 2015 43.60210499818623 2016 46.2279592635617 2017 48.84238730359707 2018 52.6231693123389 2019 57.34067165130439 2020 69.06494802679988 2021 58.93039458595509 2022 50.29038899311793 2023 53.33788695129728