Year	% of GDP
1960	6.516496237940112
1961	6.462370797798223
1962	6.589087035108984
1963	6.254930221001492
1964	5.7304935237043635
1965	5.43309755054604
1966	5.799935588008341
1967	6.236351804189171
1968	6.065795370773294
1969	5.613603023684156
1970	5.146604919816196
1971	4.6089329264542975
1972	4.313709106364179
1973	3.877944294539127
1974	3.89217854665443
1975	3.793093496421718
1976	3.5932750995478417
1977	3.5384351477138343
1978	3.3493594379722236
1979	3.336233167107363
1980	3.4136325983215663
1981	3.662252103290096
1982	4.237218298769581
1983	4.092930539880799
1984	4.105048925952238
1985	4.207138834576568
1986	3.9773082277789356
1987	3.7536018026138107
1988	3.4949852560750903
1989	3.4150059807620154
1990	3.2604422388857794
1991	2.9427899387288
1992	2.8839755750755307
1993	2.715840705815809
1994	2.5292496328856906
1995	2.3166804977525017
1996	2.2623331536374374
1997	2.23470871137212
1998	2.184101215003918
1999	2.126163776905858
2000	2.119665872620694
2001	2.1465375297566633
2002	2.278958405946336
2003	2.377520210543072
2004	2.3958288668368506
2005	2.4006955713357097
2006	2.3876502603943903
2007	2.360639463258059
2008	2.457031480093135
2009	2.695980491860437
2010	2.650470860050099
2011	2.5518678075594754
2012	2.4677351417057793
2013	2.330700502896099
2014	2.2280324162753256
2015	2.226655572926975
2016	2.211421182034844
2017	2.1755491945116714
2018	2.186270282485661
2019	2.272238421002811
2020	2.4677743940712906
2021	2.345371170904153
2022	2.3982927253478006