Year	% of GDP
1977	9.179294357384531
1978	9.92355864695728
1979	9.128756146006259
1980	8.898674925071118
1981	6.4636344025833745
1982	6.573015174005262
1983	5.97403272397337
1984	6.233715794883215
1985	6.189054741502771
1986	5.937649674745953
1991	7.546140814179061
1994	8.7073744370083
1995	6.430771755118834
1996	6.691107360404865
1997	5.906717561165222
1998	5.741977502362689
1999	9.659891101574534
2000	9.241539786269332
2001	9.597951555457657
2002	12.140855031442245
2003	13.93480965847753
2004	13.63748377596044
2005	11.731789198699998
2006	11.25541064704105
2007	11.194470238066605
2008	11.429945025723011
2009	11.661125707646216
2010	11.063418202440172
2011	11.642699020723136
2012	10.460910178575416
2013	10.568774981228492
2014	9.470243157609103
2015	11.915584272180991
2016	11.656582426947873
2017	12.682402640524078
2018	13.259653515725903
2019	13.680378872615329
2020	9.88538325909252
2021	10.538582108334765
2022	12.209344846098299