Year	% of GDP
1975	16.58594285615817
1976	17.328750891549767
1977	17.318597128312074
1978	17.05651452543356
1979	15.597418972038865
1980	12.68172888015717
1981	14.332887103971442
1982	14.053823152498932
1983	13.921962992759454
1984	14.307862679955704
1985	16.095238095238095
1986	15.05942820430453
1987	14.512835472578764
1988	14.736697750959957
1989	15.219330855018587
1990	14.193229552755128
1991	13.351377952755906
1992	12.181911088400613
1993	12.493975903614459
1994	12.121562283337186
1995	12.332361516034986
1996	13.296171644930585
1997	12.993034825870648
1998	13.423932227320861
1999	12.99646286003032
2000	13.539794084000652
2001	13.771484694712719
2002	14.638660872364397
2003	19.339460975229787
2004	17.6701988677602
2005	16.697211676921064
2006	14.508017099186654
2007	13.009156068149192
2008	13.307018538536909
2009	15.852884125618427
2010	15.40963767147979
2011	15.45204037411658
2012	15.17329010076303
2013	14.739061927693445
2014	14.300797418010058
2015	13.567688876481698
2016	13.377684819306571
2017	12.10100603188772
2018	11.72032842094951
2019	10.819089517753802
2020	12.012586707998759
2021	12.70304832328873
2022	11.843635435412185