Year	% of GDP
1970	36.32118356888999
1971	30.223035642274404
1972	28.804673457159975
1973	27.23630062811349
1974	15.817288606589916
1975	27.037622318118277
1976	28.414180755952906
1977	31.47395429047763
1978	37.93330914608001
1979	33.695981784230376
1980	27.36466921577475
1981	28.112973577362933
1982	38.38015433990566
1983	48.070752518553036
1984	50.72279496534284
1985	54.43268724855043
1986	57.02937705732564
1987	53.94274781806681
1988	53.494050266399206
1989	50.18666069203086
1990	44.22155382781908
1991	44.954723169135825
1992	41.66234899511876
1993	44.79270631470083
1994	45.17985895739091
1995	44.27461719011959
1996	41.68878357295887
1997	43.01389787203918
1998	48.863388613537595
1999	45.93223720769937
2000	40.29107292864168
2001	43.05070411112849
2002	42.9210347921724
2003	40.56487317723554
2004	38.51659773488766
2005	34.25551950769071
2006	33.76195809962657
2007	33.80676624153931
2008	30.511512703938664
2009	41.723193527878955
2010	38.608889339890354
2011	33.99329229362571
2012	34.94813146379663
2013	37.73395892170901
2014	40.31811914127451
2015	51.55215995118232
2016	53.593513513513514
2017	51.31465782495347
2018	45.71524958822738
2019	48.46878062772648
2020	53.31029370801051
2021	47.11558730173257
2022	39.862448801977706
2023	44.8722547331842