Year % of GDP 1960 79.79186920852808 1961 83.1879356832208 1962 104.24169897290709 1963 94.39163839911828 1964 108.254224769572 1965 104.68427223493988 1966 107.99334859148493 1967 108.80213068285254 1968 100.06477116776344 1969 101.3155382852202 1970 112.65872422660902 1971 110.96696141716846 1972 114.9150497965219 1973 133.60267494779322 1974 141.28615580495145 1975 125.53040926549495 1976 143.9643008756688 1977 135.36190960439595 1978 137.33191828011957 1979 128.24483068304284 1980 132.79334605887516 1981 115.29631211278748 1982 104.75346936545581 1983 102.01914097697198 1984 96.05431276203551 1985 84.57691747912409 1986 79.31370222092656 1987 70.92927631578962 1988 64.3359337378407 1989 137.98804527534057 1990 374.0894901144651 1991 210.05747126436782 1992 431.7673378076063 1993 529.925187032419 1994 573.3736762481091 1995 986.646884272997 1996 743.4127979924717 1997 351.47009124704294 1998 248.88765294771972 1999 223.8569488456315 2000 114.07322654462241 2001 39.40397350993378 2002 38.18770226537217 2003 37.29946524064171 2004 49.163879598662206 2005 46.4699683877766 2006 55.85344057193923 2007 50.910415149308086 2008 61.12398609501738 2009 39.59276018099548 2010 46.646646646646644 2011 58.84070058381985 2012 52.478601984371764 2013 53.78953235556826 2014 75.67462330096365 2015 61.0459804212216 2016 46.5216243456223 2017 42.675510927909535 2018 49.40464914401698 2019 47.47564952547697 2020 50.56473918477688 2021 63.16449532997189 2022 64.6330822907104 2023 64.63527239150508