Year	% of GDP
1962	8.693029548401336
1963	9.616389879726162
1964	9.546329065185422
1965	10.036243525470121
1966	10.086191921837473
1967	10.92958696676657
1968	11.055916965995372
1969	10.61699772263071
1970	9.38695520487264
1971	10.31874440004084
1972	10.715674925389823
1973	11.349367891315335
1974	9.649859130795404
1975	11.29282235188673
1976	11.075137727996456
1981	10.041777852713707
1982	10.711285529974235
1991	10.578241564421267
1992	11.410503194170479
1993	9.448926436714123
1994	8.337366893988088
1995	7.525287809052749
1996	7.172875414845698
1997	7.7208418568644035
1998	8.211967297553462
1999	9.071056062076932
2000	8.107518297556975
2001	8.84735706004043
2002	8.176832709126009
2003	8.815799904556059
2004	8.081083293429662
2005	8.155849569418972
2006	8.400387266032226
2007	10.822525219797328
2008	12.894461855832459
2009	13.896514058935264
2010	11.942801150488505
2011	10.843590250313532
2012	10.971190938678705
2013	11.769264152007532
2014	13.269275139388613
2015	15.10539762490745
2016	15.591420539280437
2017	14.609736706564023
2018	13.317979784959736
2019	13.578897396827855
2020	15.044611104952633
2021	15.151991149193
2022	15.967771424586658