Year	% of GDP
1960	25.149923496660175
1961	25.181775098814775
1962	24.42900862673264
1963	19.242042255322055
1964	26.611770384185462
1965	31.8564969889528
1966	34.21859322134504
1967	34.146643996940064
1968	41.40166246636227
1969	40.154577917713766
1970	40.63640360518212
1971	34.805595861612225
1972	40.10562767464305
1973	35.07305994660758
1974	31.029285875638525
1975	41.395151212150324
1976	48.090335858615425
1977	48.42888431463835
1978	39.125119117939185
1979	25.00817106548642
1980	47.86489311874307
1981	40.07582143464502
1982	26.77318770593385
1983	36.268250428260465
1984	33.0452680891612
1985	24.274988046020294
1986	22.213118248474235
1987	20.092977785855826
1988	17.133939994328415
1989	23.047938429151408
1990	33.02184262641714
1991	42.174579394317796
1992	42.199893288667205
1993	30.395291024966664
1994	23.29458769521861
1995	30.18017186429216
1996	37.786085594398365
1997	35.54283951263626
1998	33.858934807731266
1999	32.54166538218263
2000	35.10053348968698
2001	35.25181669176058
2002	39.05411099701347
2003	42.10526704495406
2004	45.99878783916829
2005	38.71766357669746
2006	38.649117362423866
2007	39.72894513761976
2008	41.75745309368239
2009	40.89817091722631
2010	40.26244924634839
2011	36.01680357514033
2012	36.350958176932416
2013	34.94521151568792
2014	36.93965714489654
2015	31.982408520265675
2016	29.10919933913124
2017	31.79653681955454
2018	33.20912379931561
2019	37.29933031788327
2020	42.24894006679925
2021	39.45259003457512
2022	38.00159082669134
2023	36.44256285592941