Year	% of GDP
1963	5.90269771731612
1964	5.966305397574851
1965	7.69008939728924
1966	11.3242315101767
1967	11.511831393137
1968	8.08745489280408
1969	9.5705156784069
1970	9.40352743064788
1971	8.640194117454179
1972	10.0815515709133
1973	10.8404475911154
1977	15.648818396759602
1978	16.7365737918065
1979	15.768811806034599
1980	12.613359238789402
1981	13.2652388797364
1982	17.720246395916
1983	16.9729273217747
1984	19.0043483638924
1985	16.9952008673515
1987	16.896414193661
1988	15.1518818830933
1989	13.390316581901299
1990	14.0242926458954
1991	12.4698079910217
1992	11.2841579833052
1993	12.4653722820651
1994	10.644781673537999
1995	9.27846839011516
1996	8.468077759044471
1997	11.0009354234167
1998	14.311037450059299
1999	11.3819360225849
2000	10.5344033130193
2001	11.4190048869926
2002	9.75806380053797
2003	8.68711846455737
2004	8.08155565898243
2005	7.7305988748194805
2006	7.84836521143522
2007	8.52704997826892
2008	7.35343646797829
2009	9.617199992293909
2010	8.56567729417753
2011	7.23005340174944
2012	7.67660286364132
2013	8.976127839346649
2014	10.6779098995933
2015	13.3256724788244
2016	9.87273849752759
2017	10.2238480550291
2018	9.13718049618408
2019	8.133566899757461
2020	9.17847120868562
2021	7.58146863585647
2022	7.42273250452989