Annual % of GDP
1970 27.58607807065064
1971 26.8804949990662
1972 26.352262337179038
1973 26.965933306135575
1974 25.810994597320114
1975 26.545208048804824
1976 24.256391162282764
1977 20.954939802464693
1978 20.439506238737025
1979 21.075960143370665
1980 21.790605572321407
1981 20.133705199476296
1982 18.953163118469146
1983 20.93849312990144
1984 23.29435234522801
1985 23.127250509406757
1986 23.583886228192206
1987 23.765912246472524
1988 24.45788319756032
1989 25.145652375694084
1990 24.028053116331307
1991 20.907943582918925
1992 17.972757067463252
1993 16.054235164260188
1994 19.65033684066995
1995 22.586775458560126
1996 22.573651304072644
1997 23.10467124128343
1998 24.22874200236317
1999 25.661040703447775
2000 26.814579513340842
2001 27.219578517534472
2002 26.43512333509114
2003 27.787784714915624
2004 27.79320389905858
2005 28.382061496829618
2006 31.135863607228952
2007 32.5550394038374
2008 32.03960262932519
2009 27.33616411941544
2010 29.140820796584503
2011 29.032994302704125
2012 27.69396597719264
2013 27.33682756799867
2014 27.564801693041254
2015 27.498334199279277
2016 27.099309264965715
2017 28.537003833235204
2018 28.611484918546243
2019 30.39919645065182
2020 31.096870403976595
2021 32.9861504970753
2022 34.060635942710874
2023 33.50165471925014