Year	% of GDP
1962	5.9355351399503
1963	6.328562841257653
1964	6.236326506015262
1965	6.184847820444431
1966	6.210285156068725
1967	5.997156283764441
1968	6.66290295259899
1969	7.003445965644524
1970	7.390431297796537
1971	7.473931965316762
1972	7.264333161605312
1973	9.631666246272516
1974	9.69738479181372
1975	12.073570686700739
1976	13.52152659646612
1977	12.799773793062434
1978	12.768260492229688
1979	12.43266138804557
1980	13.059661395831418
1981	13.20395962878099
1982	12.380939927592362
1983	13.128476157738906
1984	14.54246224049883
1985	13.380370567131317
1986	16.193478613476028
1987	17.903321064597264
1988	19.083257781173543
1989	18.4877964309622
1990	18.178404166606548
1991	18.130566824827245
1992	18.761538172028793
1993	19.86546200628246
1994	22.13047571432475
1995	23.9702848549793
1996	22.630426430734268
1997	24.675649149046727
1998	21.526186139288466
1999	17.51094360384077
2000	18.628959784614317
2001	16.283992762565173
2002	14.68477016547493
2003	22.69470571933001
2004	20.76003300707568
2005	17.964157912618113
2006	18.774796055084707
2007	18.995294959483427
2008	20.882659693539374
2009	24.450580568312994
2010	25.626238990654947
2011	25.75645371014492
2012	26.421196332422348
2013	28.287335377680243
2014	30.28942611097388
2015	35.59710288433953
2016	36.56257429976057
2017	41.10114306618059
2018	42.128164995709874
2019	43.181767240980165
2020	46.84461700026484
2021	51.27360454745301
2022	48.69861285146032
2023	45.03467033681797