Year % of GDP 1970 42.02764521413698 1971 35.36886174497355 1972 38.35942085865935 1973 37.59718292015296 1974 41.6891099713184 1975 47.06421851213987 1976 43.52783579222676 1977 56.97097309273037 1978 58.21289535791062 1979 74.43312674271836 1980 62.824541195590534 1981 56.688069252040286 1982 51.97091374224553 1983 59.00083503234812 1984 64.10201563790015 1985 70.10408773641794 1986 57.45540967801392 1987 66.24062478642358 1988 68.41278887280123 1989 71.60956593447784 1990 71.5613178120563 1991 79.61960591699038 1992 87.67750068733673 1993 83.38159876159688 1994 38.444472158601585 1995 46.24982177625381 1996 44.01622107392318 1997 39.232776173944195 1998 41.560717118721065 1999 52.856593430467505 2000 66.05985862769882 2001 74.72786529429317 2002 72.03942769951516 2003 71.0801995260026 2004 72.34868464017723 2005 68.37222608577626 2006 68.01037052316329 2007 63.290205696909986 2008 56.13193072302016 2009 44.1078507353324 2010 55.8609198329228 2011 55.36912152875251 2012 54.58249389430328 2013 53.77716691148257 2014 55.10343683572204 2015 52.17493658045667 2016 48.10855204027929 2017 45.205688935084105 2018 46.559363583239616 2019 48.195385878549786 2020 40.165802671822235 2021 47.0421708528056 2022 57.86695171998506 2023 54.59798912324752