Year	% of GDP
1975	0.43508510224879515
1976	0.4404093232121609
1977	0.5110594056887755
1978	0.5330240933596102
1979	0.5389501712978466
1980	0.5607935338066854
1981	0.5821235164976111
1982	0.5881353155112502
1983	0.5495991169555597
1984	0.5460521123903336
1985	0.532593656968563
1986	0.49840715222978044
1987	0.4771087491864279
1988	0.4908367809062656
1989	0.5054738729902775
1990	0.47867316791928943
1991	0.46370733502343553
1992	0.4435968911703414
1993	0.46309212341261585
1994	0.42686468617427925
1995	0.3968769281274281
1996	0.39067021534510415
1997	0.47732988765950163
1998	0.4733607054401591
1999	0.382298808764804
2000	0.40363927390057447
2001	0.41047285637570574
2002	0.4217456622167713
2003	0.42165377959347206
2004	0.4185911304781832
2005	0.43340162721478176
2006	0.4448720008387362
2007	0.46433742396069405
2008	0.5075325797375515
2009	0.5411363113017882
2010	0.5638621046594582
2011	0.5831606012155713
2012	0.6092552197495714
2013	0.6403612645740767
2014	0.6463029524472269
2015	0.6865857687443473
2016	0.6708068041560633
2017	0.6783093153745408
2018	0.6665769747510482
2019	0.7096563498073414
2020	0.7078913545749634
2021	0.6980425184009059
2022	0.7254317758543362
2023	0.7007730541945459