Year	% of GDP
1960	12.393453801568361
1961	13.637925111645483
1962	13.954627060551655
1963	15.486725663716813
1964	16.83156223280811
1965	16.96132596685083
1966	18.08167930998649
1967	17.455439459127227
1968	17.10642471799902
1969	16.277411303262614
1970	18.27711556344577
1971	16.750289463527597
1972	19.254571026722925
1973	15.670565614484858
1974	15.381923177880829
1975	17.571198280494357
1976	15.314224675093465
1977	16.66048237476809
1978	16.074539407696776
1979	13.947527141133897
1980	16.528476026112404
1981	18.09487442070366
1982	18.321378935765747
1983	15.636533984441542
1984	14.759270898805783
1985	15.288498773718858
1986	16.93857027125178
1987	14.873281124745638
1988	14.234058677059652
1989	14.062128799901172
1990	13.793972170203475
1991	13.694088392883575
1992	13.010180379872846
1993	12.631102128994042
1994	12.264850788648376
1995	12.373186858630037
1996	11.10541831538789
1997	10.767046966766621
1998	9.768996939024088
1999	10.98668723650437
2000	10.16523522661272
2001	12.03928764900916
2002	12.957806754990045
2003	12.968008615728479
2004	12.579949709734034
2005	11.473606363760123
2006	11.167692163328775
2007	11.566868067454234
2008	11.504787979463575
2009	13.048479568833582
2010	12.581169028795983
2011	13.270661476550702
2012	13.84213365841203
2013	13.715401516177867
2014	13.328748069263396
2015	13.086560798555858
2016	12.5648977951943
2017	12.192591869443081
2018	11.969446295551677
2019	11.653100184342989
2020	12.962273608815531
2021	12.714920620048822
2022	11.660848978216928
2023	12.047942551858029