Year	% of GDP
1962	7.0498151733849514
1963	6.946167204167686
1964	6.810230894814572
1965	6.788091318972292
1966	7.824264931348152
1967	7.783881308697238
1968	8.319023672267852
1969	9.032285677599734
1970	9.00682051761186
1971	8.489777395624323
1972	8.017626600893689
1973	6.513229748798202
1974	5.491706196423119
1975	6.286527444483503
1976	6.265736748431553
1977	6.2034353519566405
1978	6.665798562667788
1979	5.739650743065253
1980	6.197063478327563
1981	6.861260722263203
1982	7.092152393357194
1983	7.2391179408183195
1984	6.6771874918891845
1985	6.678313021628339
1986	6.835551499347067
1987	7.339000222684362
1988	6.279171688188293
1989	6.475188473300647
1990	6.164947036105296
1991	6.63962399123003
1992	8.033211175427839
1993	8.670014847174365
1994	8.883257228531953
1995	8.871356947695226
1996	9.626218654638768
1997	10.18395679055938
1998	10.290840693763565
1999	9.890652475058074
2000	10.405071979248143
2001	9.481143611152818
2002	8.39686429853125
2003	7.936374297083127
2004	7.587244004271322
2005	8.118924168614152
2006	8.30448470445992
2007	7.671423788699689
2008	7.430067451592397
2009	9.13708153040746
2010	9.061375266834345
2011	10.060623984988124
2012	11.7254484481079
2013	11.299750399676615
2014	11.548845761157324
2015	11.803175048618723
2016	11.362990671455348
2017	11.107678778672799
2018	11.520234296800718
2019	11.94626870589238
2020	12.644472838252838
2021	12.013631687470964
2022	11.859126961467977
2023	12.018349745551314