Year % of GDP 1990 26.512702078521936 1991 33.33333333333333 1992 31.521739130434785 1993 41.015228426395936 1994 32.93430000562019 1995 24.74980025205308 1996 23.51920099666908 1997 26.836954447564267 1998 26.711964919726388 1999 23.706768924913682 2000 25.39867306050056 2001 23.76085994456479 2002 22.176851593255872 2003 24.954327659388266 2004 28.66730143743574 2005 28.460466195665706 2006 32.18413715669825 2007 34.09190317942723 2008 37.6416510261128 2009 36.86404445592376 2010 40.65636626232359 2011 37.217595078845875 2012 35.09427305631841 2013 38.79802620739732 2014 34.84158403554276 2015 29.034590145701255 2016 26.477372062896926 2017 28.030790180428944 2018 28.078809679529105 2019 29.149719443042482 2020 27.455066423547798 2021 24.380508709343676 2022 21.59790648339794 2023 24.090526482378785