Year % of GDP 1960 21.31596984235778 1961 19.083490269930948 1962 21.484141232794734 1963 27.912379688018586 1964 28.63132674453429 1965 28.027586206896554 1966 28.08641975308642 1967 30.121090994592052 1968 31.350163220892274 1969 31.43922984356197 1970 31.29592979835698 1971 34.43449742953377 1972 38.88536626063741 1973 42.69913151364764 1974 34.094898921127054 1975 38.21153684210527 1976 43.682334301557965 1977 55.27927447319285 1978 54.11288159659225 1979 56.087022094864636 1980 56.63381962864722 1981 62.431062143460366 1982 86.28430152143845 1983 102.35279291553134 1984 107.33198392471535 1985 113.23907692307694 1986 124.01797806534461 1987 111.36396801830308 1988 126.02424180822238 1989 75.58314088575843 1990 75.73515132084843 1991 52.23557203716061 1992 70.36361535498781 1993 67.39375718828225 1994 61.38401523059701 1995 64.54107427866606 1996 69.65452055047251 1997 71.68315478766603 1998 76.32144178080686 1999 73.46653395824569 2000 76.83455178235835 2001 87.50179370377757 2002 91.16320084277221 2003 95.91130561278321 2004 96.99595938667153 2005 97.43526383276824 2006 39.448281115861974 2007 38.444866178612855 2008 38.70709684025752 2009 40.79369222364889 2010 43.632647007641644 2011 45.89779947533883 2012 46.9970153501998 2013 48.167636946062224 2014 50.132404530850124 2015 50.112963309266824 2016 50.4427615200745 2017 47.29309038167238 2018 49.418028040671835 2019 52.10923320870302 2020 56.42204716356682 2021 43.675408018074414 2022 27.55998700813416 2023 29.50187298112513