Year	% of GDP
1970	13.267670915411356
1971	13.53718500307314
1972	12.870813397129185
1973	12.84821145932257
1974	12.278113548755533
1975	12.290618895215928
1976	12.815775513563942
1977	12.57490593208529
1978	12.385308901359005
1979	13.051768096663341
1980	12.876669988650102
1981	14.722682035559156
1982	7.50374654271854
1983	11.996054080360057
1984	11.332980187934083
1985	16.034322357211988
1986	18.863797138373595
1987	17.084935920814136
1988	17.828114412523245
1989	16.98543704005066
1990	16.96302627511975
1991	17.730566860143835
1992	17.141410336673843
1993	16.872575656734647
1994	16.65789349638926
1995	16.729417106421373
1996	16.425525254962306
1997	14.520225584915133
1998	13.992064260063014
1999	13.594130404228036
2000	13.241105839851643
2001	13.34477192038466
2002	13.035421789350096
2003	12.784447610765085
2004	12.507454620499272
2005	11.626944888348262
2006	11.331602864139887
2007	11.414916152174023
2008	11.168473855586319
2009	11.616725705403976
2010	11.270022474177587
2011	10.33846376715983
2012	10.214208781106226
2013	9.927811226910658
2014	9.738327962764554
2015	10.19119084807989
2016	10.984221541837096
2017	10.493508441713391
2018	10.34315149742032
2019	10.48950354121237
2020	10.957833653110532
2021	10.726849865390433
2022	10.285061924635778