Year	% of GDP
1960	11.163635024000161
1961	13.410595804460336
1962	13.475408157162263
1963	14.321766200081608
1964	13.649423287009807
1965	14.417344173441734
1966	16.1340206185567
1967	18.287841191067
1968	17.55877133087398
1969	20.2668502023238
1970	19.648117746000302
1971	14.654562672128355
1972	15.472086522898543
1973	16.263047604855448
1974	21.581486232420236
1975	16.426021508338536
1976	11.170364868020705
1977	11.817911560380821
1978	13.236982471608568
1979	10.478451376012927
1980	13.935867918425224
1981	12.939618781073822
1982	12.340782374189367
1983	12.28763362428559
1984	10.986365519600787
1985	9.016201469585248
1986	8.225973698497608
1987	8.161145003906444
1988	7.309395139456614
1989	7.539745042348985
1990	7.28531185070936
1991	6.772834543334868
1992	4.5076166037412735
1993	4.39930075144365
1994	3.956823875947996
1995	4.159714052214209
1996	4.508881983481334
1997	4.416705795944319
1998	4.8979906533049
1999	4.512677883282396
2000	4.746257023236892
2001	6.109479138773054
2002	5.840497580430857
2003	6.183484711910793
2004	7.160591845395616
2005	6.898907878471711
2006	6.705660372417387
2007	6.785260826438967
2008	6.944075765415157
2009	6.900406880350847
2010	8.240971492498176
2011	9.065485474751414
2012	10.642567930828108
2013	13.37250569451543
2014	12.5897573478641
2015	11.50208659155469
2016	12.073977638795913
2017	10.966788662072725
2018	12.09555500614039
2019	11.453455751706075
2020	11.421878977550442
2021	11.527754711776113
2022	12.765601186945599