Year	% of GDP
1976	26.638330757341578
1977	28.553583168967783
1978	24.736476122302893
1979	29.780754265190062
1980	28.725971742162393
1981	25.208458542014466
1982	23.50509544997847
1983	24.59462612279815
1984	22.89748921510816
1985	26.280676112119572
1986	23.163666934158737
1987	30.712229125625097
1988	25.40096778195955
1989	28.924688784994085
1990	21.92021099349862
1991	27.456387416491545
1992	28.332171149647344
1993	21.037855501396038
1994	20.921851223479614
1995	20.478260206493722
1996	19.79453797417297
1997	22.389681249249772
1998	28.263055720213398
1999	28.5009502629981
2000	24.816209461953413
2001	39.39922777564328
2002	45.24854223849372
2003	47.878314454550114
2004	46.88414206221668
2005	44.42583854938967
2006	42.48135761643071
2007	49.78639172168875
2008	53.54753025336674
2009	53.47693638164765
2010	49.92271942463183
2011	43.32060565771164
2012	46.33608413354055
2013	44.54089632516048
2014	40.214522310754624
2015	48.84329303502655
2016	42.908854538683855
2017	43.48525883054675
2018	45.183520259669905
2019	47.118570703589825
2020	52.373313682307
2021	45.343865235045776
2022	40.04848615789008
2023	41.69642568931371
