Year % of GDP 1965 15.392811574034624 1966 16.371592383022687 1967 17.05117817883593 1968 17.879004618816257 1969 18.83256832594047 1970 19.59758840280114 1971 20.60916985360761 1972 21.22083403838829 1973 21.3787702846036 1974 19.867104143336412 1975 21.83890219448748 1976 23.087067593536695 1977 21.91447593487945 1978 23.067460316970156 1979 23.30492670270696 1980 22.437572926527544 1981 22.10106454607185 1982 22.700893097322833 1983 24.97182865437064 1984 25.208572972019464 1985 31.62232209491722 1986 34.77560192010879 1987 34.40504357015641 1988 34.45071437488336 1989 53.87612863361383 1990 37.67720516873911 1991 38.30118510291264 1992 43.86464629354996 1993 50.08869614836409 1994 45.66420190185426 1995 44.27204700256453 1996 45.45670451862648 1997 48.221429991625634 1998 45.63514334973161 1999 48.07149772177457 2000 47.74499377793471 2001 48.17416004612829 2002 51.95436257201329 2003 54.40974928690721 2004 53.261918098556485 2005 52.290296331038874 2006 53.663313170836375 2007 55.926470218185884 2008 57.48785477173996 2009 68.5105718144696 2010 69.6119001489836 2011 70.89299074567262 2012 75.40951271981305 2013 79.95976961970642 2014 84.57357393549275 2015 94.05280031621257 2016 96.01551269041389 2017 96.09212937046007 2018 100.33384563511133 2019 104.42374600465091 2020 119.12941224268687 2021 117.2924600264398 2022 126.4702767581995 2023 131.40751965967706