Year	% of GDP
1960	10.364234962240383
1961	10.028366553140366
1962	10.043603814220038
1963	10.539702953126698
1964	10.316927887966704
1965	11.109113195124747
1966	11.237028340545898
1967	11.304248761097691
1968	11.484096901464792
1969	11.234241072523549
1970	10.140436602769261
1971	10.64353148930945
1972	11.126425765549735
1973	11.647905232524069
1974	9.892022377137803
1975	12.68388100230516
1976	13.84384841583002
1977	16.700964985114563
1978	18.92343166272744
1979	16.659253219383434
1981	11.554064266568888
1982	13.0446401310532
1983	14.812862297945033
1984	13.472340178894477
1985	13.417674935605007
1986	16.809237156009214
1991	12.53838764339155
1992	14.217123795938484
1993	13.058987862435504
1994	11.672905682984123
1995	10.823363096961645
1996	10.439398417042103
1997	12.084806273143814
1998	12.656340571440534
1999	15.65368633379677
2000	14.011548811410842
2001	15.100383998976017
2002	14.583616916942894
2003	13.318127299165957
2004	11.73004890300684
2005	11.389783095323056
2006	11.882312729976237
2007	14.9496998073896
2008	24.96938206974402
2009	24.662629396377305
2010	21.0458436800958
2011	20.512737021994877
2012	21.192471762121254
2013	23.046033770363078
2014	21.43204029492996
2015	20.463523454779025
2016	21.677910469431858
2017	20.533372701647366
2018	14.693063029802126
2019	14.875359099852897
2020	16.6447392396183
2021	15.321954716899091