Year	% of GDP
1965	8.84126984126984
1966	10.4872340425532
1967	5.57136524822695
1968	6.67115768463074
1969	14.4719551282051
1970	21.6325369024066
1971	28.1670116931772
1972	25.3091694015012
1973	31.5946779256472
1974	31.6419748067477
1975	35.0089511847853
1976	42.2957422912239
1977	39.9230907660682
1978	53.4507429621623
1979	55.5658092341221
1980	57.2435260942294
1981	61.020888799496
1982	70.4361396113728
1983	76.1481699765432
1984	83.1467337654883
1985	88.4675421781788
1986	81.8662752986303
1987	95.8501694177386
1988	112.245194838117
1989	114.651289235999
1990	106.306132733951
1991	93.2746909289395
1992	89.2048641096043
1993	84.0736664298493
1994	82.9563789952827
1995	82.8487352868049
1996	78.7402533366522
1997	75.8061477463265
1998	79.6146578224217
1999	79.3631573665733
2000	78.7366597210285
2001	84.3045863375105
2002	83.4791589563858
2003	83.9556250837371
2004	90.7110874471079
2005	109.743572690489
2006	109.072869764281
2007	114.318978594939
2008	109.845616707929
2009	104.085245322979
2010	99.5889508632138
2011	106.481889533467
2012	114.301343657481
2013	111.746272407438
2014	107.361451576068
2015	105.984769361939
2016	108.218903148361
2017	109.182404951624
2018	113.309164578088