Year	% of GDP
1960	19.1163546620117
1961	17.6294526004325
1962	18.6474027434225
1963	19.2834858569052
1964	20.1115241635688
1965	21.1266330358298
1966	22.3808547288984
1967	23.0959125859976
1968	23.9973980622411
1969	24.8224590113883
1970	23.2776046606151
1971	23.6156246903795
1972	24.669450243563
1973	28.3655158570855
1974	27.8569298565323
1975	27.3387130727668
1976	27.8520180448241
1977	27.383033793125
1978	28.0477450551124
1979	28.6517166171232
1980	27.8414257272754
1981	27.9250187059426
1982	27.0465776170411
1983	28.7876164128989
1984	30.3145737203186
1985	37.0245652773944
1986	40.2918728700832
1987	42.7758745324826
1988	46.7147505021998
1989	59.2549046229041
1990	60.5569626508852
1991	60.1161995179632
1992	61.8614584982198
1993	63.2812649559566
1994	66.7698738349503
1995	69.7737485832295
1996	71.4967689789005
1997	75.3187304393127
1998	79.1106668929469
1999	84.0544793480935
2000	87.5351786851453
2001	88.3590787133765
2002	91.2177033536445
2003	99.1347105275741
2004	102.611545762354
2005	108.433078240274
2006	113.601509731452
2007	120.511803195287
2008	121.713420287771
2009	122.507455358702
2010	125.190669739101
2011	122.159874233758
2012	121.171074845894
2013	124.689961526028
2014	128.413228923657
2015	136.306305060889
2016	142.575813360775
2017	140.531327029043
2018	139.830901887313
2019	136.024518942618
2020	142.019490413059
2021	138.48009872152
2022	133.854726052958
2023	127.744595975741