Year	% of GDP
1970	10.609860844848425
1971	11.832049452335172
1972	11.871560747240164
1973	11.3899880317029
1974	11.576093321015444
1975	15.082581720451632
1976	14.881796084205334
1977	16.04125802094088
1978	15.801636586925763
1979	16.14130880707317
1980	16.857102721347683
1981	17.587071746663476
1982	16.602744435389436
1983	15.93555855264833
1984	15.521119161824048
1985	15.90180368752707
1986	15.544514121995324
1987	16.43895366767541
1988	15.631137400898812
1989	15.227307033289817
1990	15.575462650879201
1991	15.08223229300261
1992	15.689717818124663
1993	15.595259738315168
1994	15.153544452642006
1995	15.70156018189906
1996	16.060187487131444
1997	15.737915443988514
1998	15.264680670440017
1999	14.988043221647674
2000	14.495475881934707
2001	15.333220351233626
2002	15.955835438465826
2003	16.369375147341774
2004	16.375606181148957
2005	16.582425684553336
2006	15.171368464913506
2007	14.428866680837043
2008	14.489217439262452
2009	16.08100772884142
2010	15.785800508292924
2011	16.04478990880361
2012	16.304090607970494
2013	16.350342296056898
2014	16.051453562046554
2015	15.968164191904357
2016	15.6742178009036
2017	16.219360886072504
2018	16.803666675515462
2019	17.23898833232164
2020	18.472456262075788
2021	17.471945468862586
2022	17.63871325568497
2023	18.989741244763465