Year	% of GDP
1970	104.58759231601778
1971	104.97139158711768
1972	104.73565847463009
1973	103.63348157533619
1974	101.98097430290696
1975	103.52332695760869
1976	104.0352178226725
1977	103.9235898944513
1978	103.75874661766599
1979	105.90597919274514
1980	106.92028495433452
1981	105.42660147766982
1982	103.56880493296686
1983	104.2130909607655
1984	103.57224817515475
1985	102.2901142174906
1986	100.72174931769986
1987	100.76459922145008
1988	100.7583937288315
1989	100.86343340609383
1990	100.27034822364429
1991	100.48757724807669
1992	100.50145118268452
1993	99.94985407421369
1994	99.83646251810553
1995	99.5931616533218
1996	99.28556558307051
1997	98.92211202610713
1998	98.77115993685527
1999	99.44738477673975
2000	99.83063785803355
2001	98.37342465501212
2002	95.74973158881225
2003	96.22589382203593
2004	94.7994713858883
2005	94.79956824031709
2006	94.58391332785483
2007	93.22890120221639
2008	93.92642421529243
2009	94.98889901992452
2010	94.73767742941818
2011	95.09184870580198
2012	93.89981459288751
2013	94.24152097746634
2014	93.38156676675446
2015	92.40474789999273
2016	92.62312025877745
2017	92.9111215857197
2018	93.90215275817498
2019	94.0632277043617
2020	94.19339959397485
2021	94.60205393301912
2022	98.03248031242181
2023	95.83804074580942