Year	% of GDP
1970	5.4649539443174975
1971	5.792299808175445
1972	5.675640360747606
1973	5.663058926423964
1974	6.729922723271055
1975	8.09611116472064
1976	8.426498283538987
1977	7.693492491336157
1978	9.703816351654718
1979	9.322552411947054
1980	9.501785609741818
1981	9.909588389245776
1982	9.410016007317632
1983	10.142357059509918
1984	10.986615033063826
1985	10.915394954193516
1986	9.963845585662638
1987	9.420867092487374
1988	9.283625122235891
1989	11.061489969465148
1990	8.968854430791236
1991	9.571222542711338
1992	9.242249585602652
1993	8.444453576051448
1994	7.654195974901904
1995	8.014915976560607
1996	8.933433411335304
1997	9.195434770326006
1998	9.255984417448357
1999	8.240637955642146
2000	7.166334559050104
2001	7.0323095716745385
2002	6.257131826176483
2003	6.5312115563741076
2004	6.70480281789829
2006	2.33650246533219
2007	2.408002590870125
2008	2.5130331396515007
2009	2.5921421114943417
2010	2.4403392843027025
2011	2.508862882260444
2012	2.466265408525982
2013	2.4405165913603346
2014	2.1282291747001363
2015	1.777109480349078
2016	1.9314026294730786
2017	1.9453367040988885
2018	1.7242646911449253
2019	1.6910227935261972
2020	1.6852253529661274
2021	1.7014425505411375
2022	1.6293783460263171