Year	% of GDP
1960	11.02338745717265
1961	11.510387422796182
1962	10.702772404900065
1963	10.726474890297416
1964	11.159737417943107
1965	10.026540843409023
1966	10.364578598054369
1967	10.031767262999498
1968	9.972170686456401
1969	11.152693775995976
1970	11.479944674965422
1971	11.969904240766075
1972	12.017435368457994
1973	10.191781380371582
1974	11.696471725471243
1975	12.366548042704627
1976	12.908012348220044
1977	12.488769466569916
1978	6.731795375562088
1979	6.954864247492237
1980	8.190193848849614
1981	8.914672879053805
1982	8.8831521578715
1983	9.01334138403467
1984	8.910930042249152
1985	9.027834450082217
1986	9.572320757188207
1987	9.538776735655272
1988	9.510423451841953
1989	9.36282027110879
1990	8.007542096524642
1991	7.15742987932909
1992	7.987499441960397
1993	7.491498068607694
1994	7.121629526796563
1995	6.815257134211168
1996	7.378622406402887
1997	7.186896110847886
1998	8.256356833278316
1999	9.479798542787009
2000	13.408473365324571
2001	14.687410537622966
2002	14.975543213183595
2003	14.920829196360677
2004	15.0107580143337
2005	15.522614197534224
2006	15.00378112153882
2007	16.602373963467475
2008	17.114827589229197
2009	18.69973827441061
2010	17.92643157381234
2011	16.064368389727658
2012	16.20178304323942
2013	16.73381324769732
2014	15.332311547426825
2015	14.305246769584706
2016	14.113936085500558
2017	13.498416460711478
2018	13.462251486176674
2019	13.879034545863005
2020	15.661106908939384
2021	15.674030861356464
2022	14.276093864787267
2023	14.421135915809494