Year	% of GDP
1970	11.935743359375
1971	8.240025751037344
1972	4.405268673594132
1973	15.828153473989893
1974	4.010711040650406
1975	9.580959389101006
1976	12.855755109910922
1977	10.948904633432061
1978	7.397444874897732
1979	5.898488893483153
1980	6.071778462830038
1981	6.149497223017851
1982	6.370187515233075
1983	5.844374311888029
1984	6.0705209430117435
1985	6.481458244524885
1986	6.4198771540448965
1987	7.316561582625209
1988	7.683254462565571
1989	6.915451717678113
1990	5.161086142164817
1991	4.916538149618304
1992	1.9535863433662342
1993	3.7356166776805817
1994	5.938639655599939
1995	8.485577753865183
1996	5.383083643614898
1997	8.915128803160293
1998	8.220424253442395
1999	8.330343501157456
2000	3.718516655141467
2001	9.778547279439184
2002	6.429794918047489
2003	7.781282048368373
2004	4.256924074051151
2005	8.255423880196188
2006	12.997071189638007
2007	16.32991805613177
2008	18.35707661127522
2009	19.77333899656272
2010	16.27879809573661
2011	13.527069086722385
2012	56.28826544198622
2013	4.297237249594364
2014	7.80896304548278
2015	7.392721962420095
2016	4.35742188671967
2017	11.777169738785707
2018	17.10306629417464
2019	13.757570196023398
2020	5.790270151910716
2021	7.494422773823098
2022	9.223848243416215