Year	% of GDP
1970	6.500444862815503
1971	6.377661287835025
1972	6.3492289403722
1973	6.3245487070648965
1974	6.077364497853144
1975	6.272714154951692
1976	6.0894810750165815
1977	6.802928185173234
1978	6.82785954287386
1979	6.922034006645833
1980	6.774943784025027
1981	6.695501132263725
1982	7.024823094583967
1983	6.781288770186604
1984	7.023044670206895
1985	7.445723922136531
1986	6.551332954502655
1987	6.558624736511442
1988	6.195542931619765
1989	6.396443334194977
1990	7.582285503533746
1991	6.69821094036884
1992	8.174830951104212
1993	8.83262705502663
1994	8.723893130414448
1995	9.064476857725062
1996	8.595840788980931
1997	9.298739804610229
1998	9.66420674262102
1999	9.73023431622393
2000	10.282800231535361
2001	10.43108826334299
2002	10.17225100626167
2003	9.670991961972593
2004	9.685653851835752
2005	10.05021074300236
2006	10.71258060483006
2007	11.049794597961887
2008	10.326229514396113
2009	9.423715361455224
2010	10.045363010901124
2011	10.084173817352614
2012	10.478903625025975
2013	10.442941943958639
2014	10.713751721614475
2015	10.962368368144753
2016	10.994343017496497
2017	11.703948557614636
2018	11.938454873385993
2019	12.188218611754625
2020	9.487480781748157
2021	10.151506533546193
2022	12.904907292681608
2023	13.492205029383483