Year	% of GDP
1969	99.02816147509948
1970	100.52350989373964
1971	98.79366022622051
1972	95.95934239041964
1973	95.92926076938487
1974	93.3550427969118
1975	95.7735270408789
1976	96.18066353642777
1977	98.76795736359234
1978	99.34556329484717
1979	98.86865705844941
1980	99.1422340883133
1981	95.04165027927431
1982	94.5857598944463
1983	95.59445511901508
1984	93.75503273674946
1985	94.76959842848963
1986	95.54756772075082
1987	96.7690748710139
1988	96.62659522607481
1989	96.18609907330813
1990	95.34361698590412
1991	94.98613715212065
1992	95.31519811474189
1993	93.59871240018145
1994	93.41456677173335
1995	93.3766655439133
1996	93.95603917301415
1997	93.62084943340396
1998	93.87133998655828
1999	94.59184330292115
2000	93.45541108876633
2001	93.4419493609418
2002	93.16055290269927
2003	93.35172871043856
2004	92.26013913082907
2005	91.54248724320773
2006	91.40991470303449
2007	92.9069560863737
2008	91.47262506991677
2009	92.41552264412444
2010	91.91472917941071
2011	91.46563667143839
2012	90.26166752939663
2013	89.78837573035885
2014	88.89793912680922
2015	92.49878262281017
2016	89.7883352133236
2017	89.24467517266231
2018	89.456282857464
2019	90.1952512437658
2020	89.93082495323466
2021	88.74575430140813
2022	89.20733316710987
2023	88.89057583218417
