Annual % of GDP
1974 23.956601570969802
1975 20.274843062012433
1976 28.082606373409757
1977 27.247990126849192
1978 27.590666714578337
1979 33.351283822002806
1980 29.31830119421252
1981 25.244302501147132
1982 23.923704842600625
1983 26.36562375788522
1984 28.649905709645807
1985 25.626694207327212
1986 25.620862110649146
1987 31.04889927138515
1988 31.6552992643738
1989 30.68049000399027
1990 30.38268069633275
1991 29.278262014620655
1992 31.696475031447786
1993 34.713172352114476
1994 35.091416129264665
1995 33.89325516876117
1996 37.04072348007838
1997 37.02054492127013
1998 39.84915899526691
1999 38.305980768975004
2000 35.91737958086538
2001 32.25177903391864
2002 32.7350846657081
2003 34.852651461784426
2004 35.13749662481436
2005 36.815754950786236
2006 38.79647451484326
2007 38.766842577551294
2008 38.51770801194281
2009 33.36344162676832
2010 33.46646829885207
2011 34.08180298560081
2012 30.9153494882722
2013 29.419840114681577
2014 29.366566951356475
2015 28.399147642693567
2016 28.38500192066486
2017 28.335987606645922
2018 26.12832473992257
2019 24.546150625052004
2020 23.82106148192942
2021 25.990539517163256
2022 26.58880294268035