Year	% of GDP
1960	27.130586303211782
1961	25.645286600818288
1962	25.53285863940832
1963	26.578051733330096
1964	28.623248557216833
1965	27.285271692083157
1966	27.00201901925359
1967	25.530016095231606
1968	25.586430281874613
1969	26.599402227986623
1970	26.81584664910522
1971	28.16207989481624
1972	23.201687404868725
1973	24.000417559456327
1974	24.26996290994743
1975	20.898798094153605
1976	23.663584023233195
1977	25.4396647730379
1978	24.121801766600356
1979	25.50121627979035
1980	26.89545627066583
1981	24.719860350949382
1982	22.988782623834403
1983	21.125713658432012
1984	20.36237428031179
1985	18.349473398751595
1986	22.003947831465844
1987	22.46287427031057
1988	22.21629389743342
1989	21.64093921616183
1990	19.757926747478514
1991	18.01836461085319
1992	24.630381414537045
1993	26.66325929665472
1994	28.66215113296776
1995	34.45075390033192
1996	36.23201168611313
1997	35.317591324011424
1998	34.669156839003726
1999	35.84183536861926
2000	35.74501609043633
2001	38.14494047514375
2002	37.64645792713224
2003	39.048339212129335
2004	41.94090972636985
2005	45.83920734837156
2006	47.60029393463993
2007	49.01481828725107
2008	51.82474704179458
2009	44.618526444013014
2010	46.53527441825916
2011	50.25740242021806
2012	50.73726132776166
2013	49.454572955185355
2014	46.47485730693658
2015	42.773217566188976
2016	39.50342256497304
2017	41.328128182674355
2018	43.921094838185695
2019	40.86306037529291
2020	37.16109643602839
2021	42.98120333762688
2022	43.96178570035204
2023	38.11533221868845