Year	% of GDP
1960	10.22615048490254
1961	10.57400278036306
1962	10.37515714108621
1963	10.980922511758964
1964	10.728242985257669
1965	10.906049742605745
1966	11.217566656562239
1967	10.616702434897576
1968	10.851644337745332
1969	11.121607716715886
1970	11.277005189943143
1971	12.223993738439551
1972	12.435171656130208
1973	12.016201069268838
1974	12.142646247001833
1975	13.000046504340313
1976	13.423217386941303
1977	13.25648464202523
1978	13.716497170373549
1979	13.382516356419169
1980	12.899320907346038
1981	12.449695563635295
1982	13.044056722137231
1983	13.340082853435872
1984	13.511350382289347
1985	13.621601125252283
1986	14.300908137218995
1987	13.877929617040374
1988	13.615935579437693
1989	13.615302905682746
1990	13.207870455364912
1991	12.862115616500681
1992	12.870047223484196
1993	13.247393038570754
1994	13.144190091651403
1995	13.641230217280775
1996	13.224585036583072
1997	13.426217345785965
1998	13.807429423789289
1999	14.208349267829048
2000	13.927175913552045
2001	14.03162914735325
2002	13.88409167539468
2003	13.66042038185397
2004	13.343945705916447
2005	13.380458362914737
2006	13.35878060007086
2007	13.392149836037138
2008	13.575631612667896
2009	14.508728249723543
2010	14.167980417807662
2011	14.539709191835321
2012	14.715320887904815
2013	14.833690561608373
2014	14.822239193191752
2015	15.12685243963909
2016	15.199617843178824
2017	15.156828631821732
2018	15.131723094069184
2019	15.26211173524062
2020	15.854532469418597
2021	14.746596129483642
2022	14.649267415943601