Year	% of GDP
1974	6.461142267036739
1975	6.1865840391538685
1976	5.784341112863542
1977	10.161451940292782
1978	12.828867769511826
1979	15.918046245104042
1980	11.431419107466402
1981	12.334835970201537
1982	14.924945740455154
1983	12.041546546786094
1984	15.40046930279857
1985	13.058593168344398
1986	12.553693792253581
1987	8.829180216593029
1988	10.03733089871592
1989	13.185876507865634
1990	10.628851143050078
1997	22.08251679816072
1998	22.57762069863311
1999	31.488935490859994
2000	34.1708102135243
2001	26.659480371370975
2002	24.37968913806245
2003	22.338028694370497
2004	21.94255249884801
2005	14.816473549919978
2006	18.327663097079345
2007	17.009506294535935
2008	16.54958203407542
2009	14.647495123169502
2010	19.841432085178887
2011	21.990774087867933
2012	18.533062258241216
2013	31.59467106854974
2014	52.691028147997976
2015	56.064867644237296
2016	50.85832451576855
2017	44.12250949243337
2018	38.17270571755419
2019	29.706966355721782
2020	16.71758172273479
2021	19.757340712317117
2022	23.899402100043524