Year	% of GDP
1974	33.63236585983188
1975	38.35954685980092
1976	37.28371591455031
1977	41.51880635063437
1978	27.2477625525923
1979	40.50407134009425
1980	38.652543426746604
1981	42.00135435272862
1982	33.22219921316189
1983	32.89536597507462
1984	33.37820415168977
1985	27.74096263609951
1986	17.81821180669744
1987	28.59093456052922
1988	21.423476507985743
1989	26.33477355977356
1990	21.889781655500904
1991	14.038497523390195
1992	12.730167714446846
1993	8.511258222999386
1994	10.644096390393175
1995	9.93999359348793
1996	15.586110802189216
1997	16.22630688075373
1998	12.171133937008067
1999	18.874931074927115
2000	31.421437347375026
2001	27.29104438758406
2002	27.444563865125136
2003	29.9293829472496
2004	31.461165397467532
2005	38.092396219243376
2006	42.37914502938903
2007	39.936433882836134
2008	44.73994771533264
2009	27.168915257587155
2010	40.002337735094045
2011	39.20557893535764
2012	39.17676077920301
2013	38.15326312014898
2014	33.48735228433233
2015	22.459795865095124
2016	19.387267629037318
2017	20.566495332814405
2018	27.327376080036377
2019	22.301948646461543
2020	11.24582459424611
2021	17.511109524855417