Year	% of GDP
1975	9.200914281775537
1976	8.702785069818507
1977	12.499572246120524
1978	12.603517038888864
1979	12.808722094489358
1980	34.214145383104125
1981	30.544399821508257
1982	31.99487398547629
1983	32.93644408688656
1984	32.831303063861206
1985	34.6278659611993
1986	28.7825248955991
1987	28.678529754959158
1988	32.78387273724629
1989	32.78314745972739
1990	16.177415369409438
1991	14.67765748031496
1992	14.598875830352581
1993	15.26265060240964
1994	17.462445112086897
1995	11.881587799955147
1996	12.85023138409759
1997	11.412935323383085
1998	13.872220261207202
1999	12.720229071921846
2000	12.037914691943127
2001	9.991815354395154
2002	11.33429905037824
2003	13.749805265617699
2004	10.602409638554217
2005	9.772221494960073
2006	14.676880127333844
2007	17.70740141199693
2008	14.913514508068035
2009	12.605051489098617
2010	9.782807749296808
2011	9.68026058140076
2012	8.265637504900829
2013	8.942270793524786
2014	8.141330348822533
2015	9.20625512692121
2016	8.088950802227465
2017	10.600652404265865
2018	12.65239711242527
2019	15.28536081861487
2020	5.926956677322822
2021	7.708480780445824
2022	12.599804197245259