Year	% of GDP
1960	9.208383619393217
1961	9.401673723562963
1962	9.490363217701946
1963	9.802941630515665
1964	10.861286123010217
1965	11.16512952503515
1966	11.429702273626809
1967	12.215465748264542
1968	14.053835800807537
1969	13.982442812526378
1970	10.92785805947665
1971	10.042022476241879
1972	10.912847653311825
1973	11.183029155375625
1974	13.222811671087534
1975	17.58565987082378
1976	19.949041291233563
1977	22.853357153491142
1978	20.86095470557235
1979	22.95115585384042
1980	28.625223734582804
1981	10.938801978964594
1982	11.199841588946775
1983	11.990033590184112
1984	12.808056758119552
1985	12.326532098608038
1986	11.914407355455412
1987	11.809455058375582
1988	12.168547204265224
1989	10.454324369478812
1990	11.635371758820517
1991	13.399880579752054
1992	14.24738426789473
1993	15.787716584211827
1994	15.091936407886061
1995	10.281912716930742
1996	9.063328818137647
1997	9.725269418883661
1998	10.939034691172651
1999	12.763394405332523
2000	14.669631373707245
2001	15.900967706612445
2002	13.526997430995921
2003	13.026586468654067
2004	11.758785958961308
2005	11.3005138135141
2006	11.728970990403011
2007	19.291085256151565
2008	23.81187140495684
2009	25.144156415862735
2010	21.355847386479436
2011	22.479045981882877
2012	24.92823094035922
2013	25.44804511288725
2014	22.689611024153137
2015	22.366826541930955
2016	27.37878835741831
2017	24.781417863879717
2018	25.362462731622827
2019	23.929608596537697
2020	25.22161115930764
2021	25.241430110067192
2022	25.78868187592327