Year	% of GDP
1960	10.364071991921614
1961	10.15166536844145
1962	10.794389625422703
1963	9.95697544210617
1964	10.144458148356064
1965	10.290481092282002
1966	11.114369199532977
1967	12.03159257349634
1968	13.91820741488673
1969	12.102357205429689
1970	13.010025402532985
1971	16.69010861273566
1972	15.550077564171005
1973	16.659597058014494
1974	18.75231955386944
1975	19.334156404054827
1976	17.97826832839508
1977	18.13933340900663
1978	18.56384611053298
1979	18.171503273029764
1980	17.87698310233519
1981	15.297427853326138
1982	17.756454471067205
1983	15.316402380948354
1984	15.681880134459602
1985	16.035938424143367
1986	17.48120100585341
1987	22.3646357882814
1988	23.656450474220104
1989	24.82993221777031
1990	21.830540272097384
1991	21.522056395505757
1992	20.67280351089463
1993	23.135377591333793
1994	23.497929425056764
1995	24.624367359647984
1996	21.94241799523911
1997	23.48226010740667
1998	25.503157082979328
1999	22.823709158690022
2000	27.85323562655994
2001	28.521353021385558
2002	29.08222705704405
2003	25.51576918197998
2004	26.97485806698331
2005	29.33100198568236
2006	30.140670448875422
2007	31.368152344919555
2008	34.3139954933835
2009	28.037717228218302
2010	33.29168973359272
2011	33.922314313173544
2012	32.17151827397416
2013	31.058033826412984
2014	30.071339927724694
2015	25.073553981183622
2016	19.995200643774727
2017	22.132135926004768
2018	24.465477253120476
2019	24.034215118134366
2020	20.70575003271251
2021	26.146489125560556
2022	30.83506565136306
2023	28.7823855285042