Year % of GDP 1969 35.23314822292324 1970 34.12391969757022 1971 35.14993410660701 1972 37.88005352412525 1973 36.46276955301217 1974 34.660917141024775 1975 37.7880889345806 1976 42.20721412350483 1977 42.16957231526914 1978 42.62739681606305 1979 41.91319795966957 1980 39.08888597257984 1981 40.93501354772036 1982 44.47344036352514 1983 48.050905685177774 1984 47.290500153837385 1985 50.00821202292729 1986 53.8304527729989 1987 55.22371164830824 1988 59.39642943237513 1989 49.48350949565708 1990 48.491779343964495 1991 49.51517873453062 1992 51.320240067523976 1993 52.82023845466337 1994 52.242666681078816 1995 54.100246508047825 1996 55.74670396572097 1997 49.24117918741964 1998 51.00226751314934 1999 51.322623523036306 2000 53.43792875300138 2001 58.858050510400986 2002 60.852520978855836 2003 62.59053745279793 2004 65.97045831853552 2005 66.66207933834215 2006 62.69009382104515 2007 66.40414655729725 2008 66.99016691449631 2009 70.50972990189588 2010 62.030154214647595 2011 63.184528549520174 2012 68.9901633978378 2013 70.8824418829708 2014 71.19438363260804 2015 71.85037450920176 2016 75.78100915275387 2017 73.0427051445279 2018 72.30968070429658 2019 72.22261834037846 2020 87.79588395711598 2021 80.29400500765696 2022 66.33688611748079 2023 59.617111511093896