Year	% of GDP
1960	9.880445095233945
1961	7.789632048329888
1962	12.19237453583723
1963	10.252194960368422
1964	7.229025810114618
1965	8.089486312505834
1966	10.804338556399786
1967	9.73927816603499
1968	9.829350628492184
1969	9.501175370091712
1970	9.742543262072493
1971	10.146216070166263
1972	9.351696960605201
1973	11.539323568128545
1974	13.153232734993084
1975	12.58917764018246
1976	9.420094727684408
1977	9.015409976924674
1978	11.166111665409847
1979	11.007845955927339
1987	4.7144944990421
1988	4.32191028434568
1989	4.4943959654139105
1990	3.135428391611882
1991	3.321761287527743
1992	2.975538027615582
1993	13.510378472874168
1994	13.18690436606588
1995	13.349455677450548
1996	12.501677660920137
1997	12.062014245763319
1998	12.494774998682882
1999	13.723211414946935
2000	13.784191306413094
2001	14.156274312956892
2002	12.235247296692046
2003	11.438056792924893
2004	11.114636067696026
2005	12.14186123595747
2006	12.429415372630748
2007	12.989323896361915
2008	13.633513259563115
2009	15.90389674688397
2010	15.163717888641653
2011	15.688956516598305
2012	16.64543781062516
2013	16.80623779687971
2014	16.94987573710624
2015	18.09837975908702
2016	17.65457818635095
2017	17.696893922304184
2018	15.805097155894698
2019	16.443241586297617
2020	16.873007383736546
2021	15.738490996146668
2022	15.396925045485643
2023	15.798534447083618