Year	% of GDP
1960	12.54282734991807
1961	10.822571588994947
1962	13.694390715667312
1963	14.834227206240858
1964	13.413566739606129
1965	13.005013270421706
1966	14.501318301663787
1967	17.831466309981607
1968	17.52473716759431
1969	18.300896833765208
1970	18.533886583679116
1971	17.30506155950752
1972	15.255293602446676
1973	17.808220153875077
1974	20.927984533591108
1975	21.17437722419929
1976	20.400594228508687
1977	21.29380117681345
1978	22.18193910183424
1979	22.366384298733365
1980	20.682799632220277
1981	17.594007301354882
1982	11.778296900137454
1983	11.561988276795697
1984	14.543569405652764
1985	14.467509926242522
1986	11.5669517995778
1987	14.54049120315905
1988	17.531172636870114
1989	15.984838465212187
1990	19.19110820991686
1991	20.588847137394417
1992	21.682101819492033
1993	28.0251494667561
1994	31.42634060922897
1995	26.353788137145422
1996	25.9962902307726
1997	26.86429463642129
1998	25.82742059700265
1999	28.956764161958603
2000	25.772449655053435
2001	23.937450861667838
2002	21.517559492933934
2003	22.926273895830914
2004	27.08035230562048
2005	24.914420557787484
2006	27.326359264717286
2007	32.193475796259065
2008	33.59737882735448
2009	22.007914895284365
2010	21.5558696364013
2011	24.4407777503837
2012	24.371015792233813
2013	23.585420277399923
2014	22.285440033185935
2015	23.683029644322
2016	22.03453809964835
2017	23.532148331901002
2018	24.747355614583313
2019	22.80471346791795
2020	18.28406920889733
2021	22.666191471429034
2022	22.491088625630788
2023	24.206141207019847