Year	% of GDP
1970	32.62535927421953
1971	32.62576065941305
1972	32.62630522541098
1973	32.62411668729697
1974	32.61374859201198
1975	32.636863694719594
1976	32.627772540672225
1977	32.629023436356725
1978	32.613173316329686
1979	32.561910545213564
1980	32.75243679925999
1981	32.58231865759784
1982	32.6352787375449
1983	32.53392270948899
1984	32.30559688892234
1985	33.7050654442203
1986	31.731730115488936
1987	32.90007855504001
1988	32.027142352645356
1989	31.16396859274204
1990	30.239045214226245
1991	21.931179713084
1992	16.918266966612382
1993	13.194209952886848
1994	13.2397137421534
1995	13.401511865504807
1996	15.31336107302124
1997	14.923967969433747
1998	14.252614218766348
1999	14.53747907710026
2000	14.130029379625327
2001	13.234477186071764
2002	11.527068665247613
2003	12.951934754270052
2004	16.021778394366933
2005	21.018043449425978
2006	18.713454727469912
2007	20.3363598668348
2008	20.567605659282016
2009	17.4597293814433
2010	22.570264892426316
2011	25.103638208436006
2012	25.51099930271667
2013	24.100430341680926
2014	22.083884541900737
2015	17.14738881339748
2016	14.982969125432588
2017	14.55127048177339
2018	14.522733391160711
2019	12.213374379759367
2020	8.168470393603087
2021	34.89357190950627
2022	40.01390497603333