Year	% of GDP
1970	41.408289280327516
1971	41.03619018486046
1972	40.816908797515275
1973	43.64990589661076
1974	50.87419453184092
1975	46.53026107342128
1976	49.3142432115302
1977	49.83269719087132
1978	47.901810946345044
1979	50.19950324401829
1980	52.17645896058236
1981	53.94807490560289
1982	53.895693236940254
1983	54.02369835141605
1984	57.34248132563782
1985	57.675185769357626
1986	51.44439918064111
1987	50.76697341769197
1988	51.48063077448394
1989	53.040507296907506
1990	51.87734178305316
1991	50.520723277531836
1992	58.525002151322674
1993	54.31902626553406
1994	55.26734922186072
1995	57.24166584384949
1996	57.58721232310402
1997	60.71060942311323
1998	61.275070863108894
1999	62.98814733142832
2000	69.32189433293887
2001	68.41612024112051
2002	66.25223242999951
2003	65.40192707123012
2004	67.83672777742127
2005	70.30024032328976
2006	73.96797316807066
2007	74.73160779536326
2008	76.49146204553735
2009	68.0970691542884
2010	74.4128737476499
2011	79.12507548334737
2012	79.931946124599
2013	79.46414916692045
2014	79.3593827773136
2015	79.8459982091619
2016	79.46105561706133
2017	82.33932758205971
2018	84.49418999035288
2019	84.36959792560326
2020	78.06823033139536
2021	84.63686981184993
2022	95.23952520853096
2023	88.17454735045811