Year % of GDP 1966 55.31554767469976 1967 53.46572032618544 1968 51.45605820635514 1969 53.86293634496921 1970 54.784936423921636 1971 54.93506183314163 1972 53.74009128032669 1973 50.709775006230984 1974 39.592626221590535 1975 40.0709413016558 1976 40.517198251092715 1977 42.30033984706882 1978 45.272291852053016 1979 44.226765324619 1980 42.63998396365094 1981 46.20880758000119 1982 54.800634693146336 1983 55.545537487253796 1984 54.48998227426546 1985 55.88788666924908 1986 60.0776361529548 1987 57.3280453913849 1988 57.19062771188892 1989 54.152832961410766 1990 48.29054273643159 1991 51.0435044727953 1992 55.113958327025145 1993 54.512964793551824 1994 50.043156828160775 1995 51.07785885775039 1996 51.26118207629544 1997 54.390630793377326 1998 57.48167608038881 1999 56.8109379772483 2000 51.474089315504756 2001 53.39264678078506 2002 55.31248889678451 2003 47.73637398305442 2004 44.688109743775236 2005 39.748917707589214 2006 38.03974881610655 2007 39.49610266333218 2008 35.175700222263806 2009 46.52658449949374 2010 45.51051901350625 2011 42.98616385228192 2012 48.47082458501881 2013 50.409730065259026 2014 52.18584658392267 2015 58.08120554434076 2016 60.06131960065505 2017 58.843738381118705 2018 55.79339170203619 2019 58.99312136193886 2020 62.36175897687346 2021 53.4538038128586 2022 47.84531492807682