Year	% of GDP
1960	6.653276641072172
1961	6.59502610783897
1962	6.723556927144695
1963	6.37887939616957
1964	5.847218758959802
1965	5.537175111760718
1966	5.921124166775978
1967	6.359026000660938
1968	6.178175972133013
1969	5.7075800630657785
1970	5.194128299579267
1971	4.633643765527639
1972	4.332400331284062
1973	3.855210089549054
1974	3.856374677916801
1975	3.7538445569136933
1976	3.5571138454441935
1977	3.51164579589159
1978	3.3375573329788324
1979	3.341974239864245
1980	3.438299667896163
1981	3.707749054641985
1982	4.278112832332069
1983	4.121379071067748
1984	4.1444795880287995
1985	4.257765794698818
1986	3.995477977955067
1987	3.7585720498967263
1988	3.5001278035717984
1989	3.4386922706079424
1990	3.282443567596844
1991	2.944596469293244
1992	2.89480866594011
1993	2.736995694449177
1994	2.553900659777895
1995	2.3253738215543116
1996	2.26357861270561
1997	2.250834233703373
1998	2.203375760555801
1999	2.141411258524544
2000	2.141741931762101
2001	2.1769637148120737
2002	2.3170611407631476
2003	2.416607683563327
2004	2.4407756593809853
2005	2.4546484126309616
2006	2.446685302174926
2007	2.4154317010166957
2008	2.515358266601642
2009	2.751928195880875
2010	2.71306314855309
2011	2.6159258328779114
2012	2.5291156056164583
2013	2.3842747750326296
2014	2.2771893982383093
2015	2.2790502092420297
2016	2.254009564709569
2017	2.215423293612086
2018	2.2199652585388963
2019	2.3117281130916942
2020	2.5054163975133936
2021	2.390460132692759
2022	2.5542519443391103