Year	% of GDP
1970	7.770036019981823
1971	8.088365284844876
1972	8.068209761422771
1973	8.331327583829848
1974	8.622326160781931
1975	9.352054991349453
1976	9.757844353191699
1977	9.605716008434229
1978	9.53353229640889
1979	9.59257928519813
1980	9.435802751089776
1981	9.594401214594663
1982	9.83680038251071
1983	10.11658770180892
1984	9.915988919928413
1985	10.023526738612416
1986	10.163728377199877
1987	10.112751283211423
1988	10.301707513889074
1989	10.725963142647998
1990	10.874982442045438
1991	11.459473211382832
1992	11.828656917659266
1993	11.839927328262842
1994	11.856907103206266
1995	11.808194496547875
1996	11.895828948589092
1997	11.63008158877857
1998	11.33429094214
1999	11.352000862582148
2000	11.159890944403749
2001	11.163767485591329
2002	11.542897557961034
2003	11.73489356076472
2004	11.514909599238395
2005	11.248251806286442
2006	10.74276516511678
2007	10.424410032875468
2008	10.570698901001274
2009	11.384624638767603
2010	11.183612180307504
2011	11.27557155774039
2012	11.314927383119223
2013	11.412579172950856
2014	11.481636472973927
2015	11.537567016837274
2016	11.514961744443685
2017	11.509391498038399
2018	11.264920751752326
2019	11.354903764108787
2020	12.126454591003185
2021	11.94382258347838
2022	11.373156195609479
2023	11.378074152553026