Year	% of GDP
1960	35.41695784422066
1961	20.152602321901732
1962	15.295319055431184
1963	20.66797740515792
1964	23.025318816109788
1965	25.588077242197848
1966	28.7070715133523
1967	22.625315195895425
1968	23.12821071893502
1969	23.399113717723637
1970	31.10468904571207
1971	31.96930321554599
1972	30.048884665244902
1973	31.41478222191063
1974	30.470582804363794
1975	32.25766485353406
1976	29.793938805855756
1977	30.443563726910888
1978	31.802626073373748
1979	31.401913529805615
1980	30.01628344974324
1981	29.209117475374214
1982	28.884638315200593
1983	30.886409883585724
1984	30.47992435053607
1985	32.83859351580814
1986	31.465833441226128
1987	30.117902333978662
1988	33.080192101808656
1989	34.15707110996832
1990	33.84148459886235
1991	34.58164908397288
1992	35.85296448582969
1993	37.84647254016968
1994	36.92072113657521
1995	36.92794816322005
1996	36.32679975989822
1997	34.26545948763655
1998	31.72931354884631
1999	30.10377565044699
2000	30.260190534682117
2001	32.189647663496736
2002	32.5611916563369
2003	35.42785786921077
2004	37.27940659189805
2005	36.556992048001916
2006	35.97699765223356
2007	36.61339278888265
2008	38.61415465941999
2009	41.18349995089989
2010	42.52900794010774
2011	42.85589910446668
2012	42.93612073585595
2013	43.19246150265077
2014	42.81145198473656
2015	40.83143953653975
2016	40.29846554455441
2017	40.73106060412578
2018	41.61689239825158
2019	40.90821591610981
2020	40.85067175379521
2021	41.17189108163143
2022	41.04146113852343
