Year	% of GDP
1977	8.872455440916228
1978	7.684182047530692
1979	9.355714959086749
1980	12.196205866894305
1981	8.682128776991695
1982	7.562121123218529
1983	6.917396147066272
1984	7.547320157596707
1985	7.800438091684625
1986	11.170039294409904
1987	12.552685216140183
1988	7.879297826872443
1989	8.636512798707736
1990	20.864068658513542
1991	16.852052515798032
1992	16.163620944656497
1993	15.61510794316601
1994	22.780961510251192
1995	20.519782014654783
1996	18.108757796019372
1997	9.367252742248402
1998	8.67026630704787
1999	18.412965119592243
2000	24.390843848971222
2001	15.152461963154304
2002	9.633985776601776
2003	11.670805329390937
2004	10.200226231241396
2005	10.418730473665766
2006	6.660151961041372
2007	6.473600822416464
2008	7.337800363978718
2009	9.622028069526824
2010	11.959224910876397
2011	19.931450901898423
2012	18.56164925607893
2013	18.50181197594942
2014	28.75508143697525
2015	25.470121236343456
2016	13.61718535385988
2017	12.594944106369624
2018	11.337515208125595
2019	12.377612453385236
2020	5.365793043639893
2021	8.06020059624426
2022	7.453090815603412