Year	% of GDP
1977	29.243635167018738
1978	31.668526785714285
1979	29.096316477924127
1980	31.212347845829804
1981	45.9593233574882
1982	31.901350834196062
1983	39.3643396015022
1984	40.83543108873505
1985	15.933784629387338
1986	18.446631922837586
1987	21.70681060994362
1988	17.82050923726208
1989	14.419974732788402
1990	13.747348747041938
1991	13.08164902404943
1992	14.163297148858408
1993	14.538646059689558
1994	11.352342875432766
1995	11.566004704743174
1996	11.436120742275483
1997	11.265243523628568
1998	9.990392631860571
1999	10.338012269536343
2000	11.227198345440778
2001	11.366841886518051
2002	9.922901591175492
2003	8.754973953329264
2004	7.76155710046007
2005	8.24735162794787
2006	8.386167654289734
2007	7.920049783529111
2008	9.775160094285747
2009	9.599328207488767
2010	10.138626811477161
2011	9.231499104849174
2012	8.75316494770267
2013	9.274769760676884
2014	8.836798402656195
2015	8.326579387219573
2016	8.44661706335853
2017	7.866855086223272
2018	6.824780046720624
2019	8.242884234632655
2020	8.991768097380582
2021	9.758037140254292
2022	9.463361415304508
2023	8.799363536369244