Year	% of GDP
1960	35.44303797468354
1961	36.45161290322581
1962	28.47011144883485
1963	27.454545454545453
1964	23.867313915857604
1965	26.73942701227831
1966	19.63109354413702
1967	19.9468085106383
1968	20.823529411764703
1969	20.339830084957523
1970	22.709163346613543
1971	20.24
1972	15.204262877442273
1973	16.395315624107397
1974	21.80257510729614
1975	18.436494416051485
1976	16.043518234753297
1977	11.547075159007434
1978	9.687410654722196
1979	11.161505208702431
1980	9.154765238495285
1981	5.323162503786523
1982	2.982036066673607
1983	5.988980536628305
1984	10.770584082702237
1985	13.589351927427066
1986	20.135590436318058
1987	26.185522788203752
1988	24.06211591368308
1989	24.343253735850762
1990	25.85028772000702
1991	25.524803205234626
1992	28.767640369263702
1993	36.415201053691796
1994	36.76251681075889
1995	32.92664834810429
1996	40.09276195683809
1997	52.99154704040132
1998	46.728191489361706
1999	49.626765080321476
2000	67.24617254396465
2001	64.81283769407969
2002	54.872991281568495
2003	56.6081030628332
2004	60.3670092258015
2005	61.72229716391393
2006	39.86286375301949
2007	40.82923168084826
2008	44.484768311635946
2009	42.30287254964753
2010	45.90109780852502
2011	49.358845304710144
2012	52.80881695464604
2013	35.318538506149025
2014	35.60466028248069
2015	42.689566100954615
2016	36.68376029622449
2017	36.67149051044349
2018	34.50362201556374
2019	39.375202869620914
2020	35.050078229531664
2021	32.652711443211494
2022	35.45141224253198
2023	34.9998302644838