Year	% of GDP
1960	1.15792223391347
1961	1.12222106548301
1962	1.0453078110693
1963	1.17300751136389
1964	1.00383425318668
1965	1.39559048518441
1966	1.37345487471598
1967	1.45714604983797
1968	1.26668736417262
1969	1.02599976681823
1970	1.6964285714285698
1971	1.11850060459492
1972	1.1419870574800202
1973	0.9107539018409679
1974	0.898307765301281
1975	1.2314865606143701
1976	1.27139028245481
1977	1.3721375786880798
1978	1.1811218186310801
1979	1.3066782558307999
1980	1.3168515369190499
1981	1.88944910430075
1982	2.02571867758735
1983	2.03593409871932
1984	2.19084928671742
1985	2.0073704359648703
1986	1.6674979953403501
1987	1.75071000671895
1988	1.86907699721099
1989	1.8028516299552
1990	1.7280115628159902
1991	1.26843726414995
1992	1.4726203751384601
1993	1.26706017134887
1994	1.1785345993652
1995	1.08042737364637
1996	0.895717413539242
1997	0.7428179433222399
1998	0.720839850994178
1999	0.675600759866063
2000	0.918401634718749
2001	1.05206292918867
2002	0.762245026054294
2003	0.815655342525256
2004	0.479416089056921
2005	0.38391365673545796
2006	0.43182946456192
2007	0.398456601466993
2008	0.468231102914397
2009	0.39532607351187404
2010	0.441382604389834
2011	0.459619447723005
2012	0.475870730886697
2013	0.471272593167646
2014	0.424656428368739
2015	0.405967931287061
2016	0.440496512523365
2017	0.383850245049506
2018	0.372491637911365
2019	0.430081218533133
2020	0.441524325788993
2021	0.39767042381845097
2022	0.462491769474559