Year	% of GDP
1975	25.464304700495642
1976	27.640189069268384
1977	31.533136935786306
1978	31.31213263654248
1979	28.09722443703996
1980	26.845791212462416
1981	31.088386166987846
1982	36.207581564924745
1983	37.86522073938306
1984	36.34681418062641
1985	37.82202662086733
1986	46.66110250627975
1987	44.17566950415141
1988	45.788027153670555
1989	43.7300450012482
1990	40.03922095366018
1991	51.92393050388908
1992	43.32335569930492
1993	47.039177277179235
1994	51.90919989527305
1995	52.66775777414075
1996	51.84056575829384
1997	52.56756663372699
1998	57.795577049015165
1999	55.646092233479294
2000	49.22033827532302
2001	48.08545855165361
2002	50.25092982891148
2003	48.951303152003014
2004	46.656290006170735
2005	42.96086490800154
2006	41.0026442799823
2007	44.18310024208269
2008	41.15471609234832
2009	46.91815711102371
2010	47.58651474758957
2011	42.27145773102979
2012	42.80399426389183
2013	45.16301252669516
2014	47.381570331766895
2015	55.92208347152211
2016	58.22056535647565
2017	56.71020763158958
2018	52.369578411405115
2019	54.728771759244296
2020	56.86206621264544
2021	51.9172576228083
2022	47.711796906040846