Year % of GDP 1960 22.846511375143383 1961 22.04601192255348 1962 20.238514346065788 1963 20.31753907219048 1964 21.795071134261015 1965 25.023259142632178 1966 23.181492964464546 1967 23.950899689095724 1968 22.988470501655762 1969 23.72847502603677 1970 23.37662337662331 1971 22.119518486672348 1972 21.84542668138983 1973 24.7104123982557 1974 27.372083569667282 1975 25.274234794343464 1976 23.60267016709555 1977 28.05714459129316 1978 25.00139516714095 1979 24.174823582972856 1980 20.79545515372214 1981 15.930259958881779 1982 18.489091501139647 1983 14.36566664601377 1984 20.455471581897232 1985 24.554835188885008 1986 21.804546744011553 1987 23.872810958730728 1988 25.47181886958891 1989 37.11852466210801 1990 39.761776731171835 1991 31.455961005790584 1992 29.046763066962967 1993 33.298693770290555 1994 54.1863772193671 1995 56.97335129412029 1996 55.024360699542385 1997 58.25256936012897 1998 55.88262294490003 1999 44.34727681860359 2000 50.363013782799904 2001 53.42635847734128 2002 55.598319610532506 2003 62.57664866533346 2004 62.03996784398919 2005 63.96274626009967 2006 61.1790669391837 2007 59.26728797055921 2008 62.725298018457664 2009 53.76836825167709 2010 60.665672253523674 2011 59.63045865162028 2012 56.61831164729191 2013 56.09706626384866 2014 54.00227396592497 2015 51.497526645015746 2016 50.560131802919216 2017 52.70900775899025 2018 55.626477573396635 2019 54.085212957044234 2020 52.87566562786131 2021 60.34156936880102 2022 61.52135685485164 2023 65.1732662254424