Year	% of GDP
1976	30.394338238473654
1977	29.55430062911524
1978	30.320429235851186
1979	30.80254810782717
1980	20.45586629580556
1981	24.916746223136183
1982	17.92496728820557
1983	17.232525069769146
1984	21.747577850660278
1985	23.15674280649987
1986	21.637602609141577
1987	25.252434673608963
1988	30.606286366122504
1989	30.70398661754402
1990	29.809092874502745
1991	27.8468258956405
1992	28.68072047869623
1993	30.133828620276624
1994	31.35708907351941
1995	25.240648462679406
1996	24.35083084839469
1997	28.99834603245861
1998	25.436134158194072
1999	26.34981496804113
2000	25.636622893728354
2001	20.45539756562821
2002	21.758951256851713
2003	23.364660496217944
2004	24.068805641852247
2005	22.36689173241857
2006	25.573204110019294
2007	25.985165216232843
2008	25.34599337212493
2009	23.765749461879103
2010	27.10508285247616
2011	23.94638390791388
2012	24.380568325709266
2013	21.527459454016974
2014	19.06876715681989
2015	17.492445407377843
2016	17.272910057638175
2017	17.667982768720616
2018	18.87282595436029
2019	19.43593929405516
2020	18.21491108863512
2021	19.793152564603275
2022	20.424409219984803
2023	23.320976250464156