Year	% of GDP
1960	14.50575373586916
1961	17.82657799549449
1962	22.231367078535232
1963	19.63342022625012
1964	23.365301260423625
1965	23.500419498565712
1966	28.53846804049196
1967	22.804354696932293
1968	22.290325292145724
1969	25.830694906106995
1970	28.873074248903784
1971	27.968902996797972
1972	34.70831407486646
1973	39.24978802485844
1974	41.24354351974211
1975	50.24018356638057
1976	56.6014748012522
1977	48.97211232048905
1978	50.35934881337353
1979	65.4123428237894
1980	62.71029742273011
1981	60.35731578947367
1982	57.0681085272408
1983	47.7392587544749
1984	49.87571527250026
1985	53.526637183081164
1986	40.69229501916723
1987	45.98451143712502
1988	41.888443336314474
1989	39.89804356646843
1990	35.616773555329914
1991	30.336179238057014
1992	28.706649946223845
1993	26.09893764829599
1994	33.64252861705974
1995	34.7775356997428
1996	36.539997643492995
1997	33.1743453903346
1998	35.0196895457842
1999	31.375236724539068
2000	34.71278070436043
2001	33.01366708430145
2002	30.83438574975493
2003	33.382793141623836
2004	36.96410444648958
2005	38.34774180707357
2006	36.53137318424288
2007	35.50280284710066
2008	39.711244054038275
2009	49.51225670316246
2010	51.94598630276275
2011	50.24639515693449
2012	45.08596447308003
2013	46.29514914932913
2014	45.741600836593236
2015	44.727430371185996
2016	36.4881092245519
2017	39.07111173701491
2018	37.5388483992356
2019	37.102566425080106
2020	35.51299065708412
2021	37.015893550371295
2022	31.332513705077787
2023	30.42050578317977