Year	% of GDP
1960	8.989889801826259
1961	9.45632698563446
1962	9.991222296118245
1963	10.02749963567279
1964	10.612557090203698
1965	11.100006399489766
1966	11.136295080876234
1967	11.575923932111088
1968	12.436509281818756
1969	12.283013598695534
1970	11.938726609464577
1971	13.563698108846776
1972	12.812229439812253
1973	12.387575735966454
1974	11.809636450886481
1975	13.07854864982993
1976	12.544615439745494
1977	13.000504546514685
1978	14.070657522343055
1979	14.352592614623685
1980	14.536813640230855
1981	10.56869672422727
1982	11.083415554944898
1983	12.583692152804904
1984	13.837517788765108
1985	12.81630875047064
1986	16.85456918025028
1987	18.682327297423363
1988	18.309564805513947
1989	18.11605803834711
1990	18.51306378614053
1991	18.563377701714565
1992	20.659572207673804
1993	20.037293562024352
1994	18.73359813306392
1995	15.431772907681015
1996	14.249369054858782
1997	14.004819909057757
1998	13.375175688985383
1999	18.36303948063226
2000	17.20380979488307
2001	17.08311043943574
2002	15.882108329634487
2003	17.377201501908914
2004	17.156966304841564
2005	15.985329283042471
2006	14.854531248371986
2007	14.935718362925469
2008	14.566704555926183
2009	15.915276742114095
2010	15.660953144340835
2011	16.308078265407282
2012	15.924910922227669
2013	15.674127677219065
2014	14.919424569979828
2015	14.81483498758649
2016	15.318942264841198
2017	15.959483277740375
2018	15.279912580637403
2019	14.723604536703155
2020	15.460873132658525
2021	15.501751450050897
2022	15.152803139087942
2023	15.704783955353454