Year	% of GDP
1960	10.132246313150835
1961	11.480598820951355
1962	11.372956344307562
1963	11.496069293829358
1964	10.526276956676254
1965	9.693255632384606
1966	8.746909461101085
1967	9.683028097317923
1968	10.913588325966767
1969	11.455554636767253
1970	15.01298309178744
1971	15.985060639470783
1972	20.51483870967742
1973	20.923907455012852
1974	20.650442164839053
1975	21.566568828881714
1976	23.0986803185438
1977	25.698606124604012
1978	29.387538493122562
1979	29.1388117712382
1980	28.013195548489666
1981	29.40358253345951
1982	30.48480531813865
1983	28.9190071446169
1984	29.38767756854972
1985	29.863342291231216
1986	28.27030198446937
1987	36.08450566627589
1988	25.34830738182875
1989	33.32183338341415
1990	30.189034631060697
1991	28.92570669912043
1992	32.962408194820256
1993	38.041619894655035
1994	36.24112143684095
1995	36.14763635029761
1996	31.917680665423287
1997	33.120027959856316
1998	31.018016730955445
1999	34.89538510410951
2000	21.746278812622457
2001	22.235042056558367
2002	24.571485530639965
2003	27.953171489867966
2004	25.032630403448575
2005	25.995751785509203
2006	23.051710017995156
2007	23.570804723082475
2008	22.995162334037573
2009	22.103338032882768
2010	27.511465777629684
2011	26.809839606000374
2012	26.41883785781549
2013	25.203904490360575
2014	25.81918207226272
2015	29.95476137947639
2016	30.289961094683587
2017	28.17659620797895
2018	30.997530042767394
2019	29.943230421883676
2020	27.19354403528022
2021	31.540029161239875
2022	32.40512392374379