Year % of GDP 1991 100.85393814423547 1992 100.02028275998514 1993 108.0174674087147 1994 106.37275527606027 1995 100.00774438990057 1996 99.52662796664843 1997 99.03788077731093 1998 101.56952845486727 1999 102.73846393389121 2000 103.69082168097212 2001 101.29042711397716 2002 102.04616201152024 2003 103.9406407032385 2004 104.32178801584591 2005 102.78269947385625 2006 101.44745976541203 2007 99.85912072217829 2008 99.96346047536832 2009 96.55139050229903 2010 95.25030532005113 2011 94.27778946970801 2012 93.88986603305742 2013 93.52446533583084 2014 94.14766301677379 2015 92.26754317212368 2016 91.59445114333367 2017 93.38938748876282 2018 95.74988055097978 2019 97.69186205524596 2020 98.07250668053491 2021 99.80599756431381 2022 104.44037372414674 2023 94.88786443948821