Year	% of GDP
1960	47.1696308458644
1961	47.7076020624306
1962	44.7621932573575
1963	41.8050045534834
1964	33.3145516590722
1965	33.7956368990803
1966	31.7467973863634
1967	41.2421233295697
1968	45.6794200081834
1969	39.6285249005963
1970	36.2955814018617
1971	33.5621154083483
1972	31.4459443127248
1973	30.8580783658538
1974	34.28541664881
1975	35.8779902673482
1976	31.8863671022991
1977	29.5041838041607
1978	27.400394064681
1979	27.7352940686096
1980	28.375126767382
1981	30.1952286865526
1982	36.8353819171358
1983	40.16798866806
1984	42.2663324515732
1985	41.9225304619957
1986	35.9483304683737
1987	39.4296545438835
1988	45.0148789391456
1989	51.9347078842162
1990	48.5667213596606
1991	49.9702576736786
1992	52.3322144322059
1993	54.8984210200249
1994	54.0552051968367
1995	51.6227794303419
1996	52.3093837640897
1997	69.051315118661
1998	63.4840196848887
1999	72.0233456610149
2000	94.8421672068121
2001	97.5182999404498
2002	100.399178314323
2003	125.228363864055
2004	157.264813578075
2005	234.826521552179
2006	294.595615876635
2007	298.091849812379
2008	290.79117898802
2009	279.860110633214
2010	244.27521990881
2011	178.721737940245
2012	150.753249245528
2013	135.172320079562
2014	111.344642259389
2015	104.38263193673
2016	95.4852022912359
2017	97.8288567051807
2018	96.6422941987127