Year	% of GDP
1960	15.095969296898677
1961	13.602145754423404
1962	13.754896561275858
1963	15.260658714539968
1964	14.558236200846592
1965	14.197525885282738
1966	15.682654981549815
1967	16.095894879434056
1968	18.006430868167204
1969	17.70683176013455
1970	16.973684210526315
1971	17.136409085769195
1972	17.391304347826086
1973	17.549668874172188
1974	17.814059616749468
1975	18.004872262773723
1976	17.692728785357737
1977	19.36169680851064
1978	22.945032778618256
1979	20.392156862745097
1980	17.59156215316315
1981	13.439174820011077
1982	13.49290281690141
1983	15.54054054054054
1984	14.783515910276474
1985	16.45035022661722
1986	24.952667226201864
1987	20.5775326218586
1988	21.04704097116844
1989	19.493637039539188
1990	19.553805774278217
1991	27.74034083517627
1992	26.9317362184441
1993	27.66109722404947
1994	21.81399894132497
1995	15.723849270971407
1996	12.846041394167884
1997	20.94740724349045
1998	24.196156855925572
1999	15.05809701235079
2000	11.568069792802618
2001	14.089732949275009
2002	18.357166611240437
2003	17.35899202677429
2004	14.972717648016939
2005	12.505828845419448
2006	12.749518102029816
2007	16.800969051535102
2008	12.141046764938931
2009	13.411792851825707
2010	10.571769500554202
2011	12.834957488758505
2012	13.757153035437607
2013	14.07301739886442
2014	16.734192098178376
2015	19.306273365423053
2016	21.30851962331351
2017	18.086588185549086
2018	13.504107231714265
2019	13.240880449182177
2020	17.478357361743445
2021	14.870507097417685
2022	11.836792240361014
2023	13.099302087775383