Year % of GDP 1990 35.002981514609424 1991 40.74538837997239 1992 39.82075502111609 1993 47.21897587005531 1994 39.328039352326094 1995 23.927920828361707 1996 23.240003504338148 1997 20.273269388754162 1998 19.00301997167367 1999 20.75824695265674 2000 22.1614188089398 2001 24.14585439563056 2002 27.832108365993953 2003 30.482997892398128 2004 28.190743823172298 2005 27.313197950011524 2006 22.14598143551338 2007 18.18935698197247 2008 14.265729573976726 2009 14.670900746136347 2010 19.748415316825223 2011 22.52318826401312 2012 27.56181148284392 2013 28.353485138481805 2014 28.56038165554456 2015 29.72539121203342 2016 33.74427986063961 2017 38.21604565504643 2018 39.39289402860731 2019 41.35080136208493 2020 29.764986915193393 2021 35.906439990126685 2022 50.01364769514514 2023 58.18145547450722