Year	% of GDP
1963	33.6774652901388
1964	37.9219640508549
1965	37.2704115833222
1966	37.4806340126326
1967	35.7793081611652
1968	38.2870497662909
1969	41.8003266880523
1970	45.3115166771554
1971	44.8779924674238
1972	50.2511352275875
1973	59.0826888298896
1974	53.3145253051109
1975	56.0067595620853
1976	57.3403361904635
1977	58.1721008732236
1978	60.193920621244
1979	64.5895218814448
1980	68.9071342425086
1981	75.3426462836057
1982	80.1207726625311
1983	85.6088076094382
1984	85.3286812491613
1985	87.6053525455916
1986	84.350018462953
1987	80.5760765760327
1988	76.3526930339888
1989	79.5403573729581
1990	79.1646747233386
1991	79.8711021252107
1992	81.0855367745248
1993	80.9717012635425
1994	81.1902405393255
1995	88.2934969585412
1996	93.7418064299455
1997	96.470304928416
1998	107.93107365818
1999	102.707304148647
2000	96.0524631654193
2001	115.023967340769
2002	102.024223572871
2003	104.782800634148
2004	95.7289657619849
2005	89.2233561956159
2006	84.2870559979133
2007	85.3517596047783
2008	97.8643623312414
2009	96.8613765494725
2010	94.8584026979012
2011	104.703673841577
2012	112.973543165736
2013	124.065951568619
2014	128.129763309946
2015	122.421353845761
2016	123.712390341201
2017	120.982278100742
2018	117.777530363297
2019	119.233092691792
2020	129.071608311672