Year	% of GDP
1960	20.43377603442539
1961	20.049977814183713
1962	15.598707088465154
1963	11.51320853424765
1964	11.742325028057623
1965	13.652441087851955
1966	14.948903822470772
1967	17.425579920429605
1968	21.123277988867127
1969	16.891539055976466
1970	18.33777967943319
1971	20.17108881959528
1972	23.704714150727852
1973	22.87553678156363
1974	24.74394935373539
1975	23.632483118811752
1976	16.11086770662648
1977	17.18569966639722
1978	10.695175257930961
1979	11.409630754419823
1980	16.93697893304737
1981	20.815898017391223
1982	19.053735688886615
1983	14.30515733571078
1984	17.03550460169563
1985	17.81997681036244
1986	18.056358997071452
1987	14.936164846601615
1988	18.70172331440353
1989	15.03798059904184
1990	17.37694275883512
1991	19.10339982551835
1992	20.23726469613546
1993	22.774887579450194
1994	23.729055571478845
1995	19.660186751152644
1996	18.541939875086438
1997	18.133902528000352
1998	20.750460772360597
1999	14.39628046204811
2000	13.569423818171883
2001	10.266473437755423
2002	4.9999996846478565
2003	7.999999231788829
2004	4.50911485713514
2005	1.5251766780154459
2006	1.571161391477593
2007	7.109753359163383
2008	5.127906253111057
2009	12.746801651551973
2010	18.76330091231976
2011	17.39776603332526
2012	9.856976893498784
2013	9.209479116359418
2014	9.639223978416046
2015	10.035640419865018
2016	9.861370595902224
2017	9.700147348323394
2018	14.148306243206516
2019	13.799351768049064
2020	13.146081158919449
2021	15.507057871594734
2022	14.65388575570027