Year	% of GDP
1975	30.527006919785947
1976	28.111482159436896
1977	27.751950962272083
1978	31.114017510129067
1979	25.216467997634613
1980	23.087264299550885
1981	24.62550515146785
1982	31.2957454490646
1983	20.395978159480855
1984	30.82462608882146
1985	33.71563260783167
1986	31.448256263612784
1987	36.00185794340138
1988	33.988299889246456
1989	31.093290029181848
1990	17.319405705593717
1991	18.01285433767266
1992	21.228418471993013
1993	20.865489756790577
1994	22.753282659177003
1995	19.805315262402665
1996	18.434112602908268
1997	17.620207046166914
1998	19.578088143235103
1999	20.921590645332156
2000	19.176374507358442
2001	20.011962803514034
2002	21.95467204578306
2003	20.370200654158253
2004	30.61773904396708
2005	28.625506233372878
2006	27.384897953229437
2007	24.76659877999825
2008	23.125381440526297
2009	24.29166227041418
2010	23.872100155251374
2011	17.63308687615525
2012	46.75593812004076
2013	47.79384119449048
2014	45.9321415541773
2015	50.45576810682779
2016	57.35585784323825
2017	54.05318151342915
2018	52.52099510087345
2019	52.72592408254076
2020	61.08789644382075
2021	60.615168413827334
2022	57.46063666848036
2023	63.86549035154033