Year % of GDP 1970 44.18117868573175 1971 44.182889786717446 1972 44.1831922685779 1973 44.177686754769404 1974 44.171944806335155 1975 44.190180361199815 1976 44.191445868440745 1977 44.184703974944114 1978 44.15015721022448 1979 44.14323652860732 1980 44.2813552503021 1981 44.19777504195902 1982 44.15099630337384 1983 43.977425259045354 1984 44.10863154579126 1985 44.97195012927599 1986 43.77987037451159 1987 43.91710249915752 1988 43.109570471333 1989 44.76466328843438 1990 40.87544800949344 1991 29.064936826885162 1992 18.22860037177636 1993 15.721620226131 1994 14.536182905128634 1995 15.90690575734383 1996 17.311972541700598 1997 17.830230962636026 1998 18.252018764819127 1999 17.331453169158454 2000 16.94595850209714 2001 16.12661919551549 2002 13.20224468227624 2003 13.635198823437655 2004 15.289636939507368 2005 18.343330983771416 2006 18.474559560736253 2007 17.631249797368433 2008 24.34961508922595 2009 15.454252577319588 2010 17.721676408406914 2011 21.856790839252067 2012 20.355204331359978 2013 20.223466583709236 2014 17.19026831200616 2015 14.466423665944397 2016 12.286253572104181 2017 11.671578906263138 2018 12.560715108514566 2019 10.607420069691262 2020 7.514545634074138 2021 45.130213076276476 2022 48.789132017233456