Year	% of GDP
1960	8.15324277105779
1961	8.48719707816613
1962	8.62744235169863
1963	9.15612337716032
1964	10.2270076964938
1965	11.4112932083303
1966	13.4049947190896
1967	16.9336469223705
1968	18.8071875383294
1969	21.2513375087383
1970	22.8663525580277
1971	22.6748351963313
1972	21.8771091548932
1973	20.3454323684399
1974	17.7801293790721
1975	18.0750266489531
1976	18.8510246696158
1977	18.9494029103378
1978	19.4175332204798
1979	18.6338191092508
1980	18.9051295456045
1981	17.6206065001714
1982	18.5727911646586
1983	17.4162610509622
1984	15.4569488479944
1985	12.9054595296858
1986	12.8540020417517
1987	11.4637550062003
1988	13.5695285288835
1989	13.3072132115782
1990	14.3157588729944
1991	16.943490864555
1992	19.9674747380848
1993	23.1053892876801
1994	26.8791011636639
1995	23.9644446507837
1996	25.7856591710819
1997	32.7741011877268
1998	24.5219309952657
1999	25.0551605442253
2000	23.7603984264133
2001	24.1686675413357
2002	20.8556279671977
2003	12.6861707511378
2004	12.2968111859529
2005	12.2808884618236
2006	11.6682860592129
2007	13.7176649664944
2008	18.759698013852
2009	21.5814306496874
2010	25.4241390581724
2011	28.9522503181962
2012	31.5463020861537
2013	34.3778942787921
2014	38.1381490369685
2015	43.3496464702998
2016	41.3557191308076
2017	41.1558966178086
2018	44.5974774295712
2019	47.7506335037991
2020	50.7131734297599
2021	49.4627024962652
2022	51.0176123623542
2023	52.5526748453822