Year	% of GDP
1960	5.74229691876751
1961	12.0351342393106
1962	12.7138562448756
1963	10.5458052073288
1964	8.82790320400162
1965	10.2333413519365
1966	11.1443579401557
1967	16.8209500609013
1968	25.5029830468427
1969	31.9189225832693
1970	32.8742043910463
1971	34.9377545084351
1972	34.2805258101554
1973	34.3726593454309
1974	36.2043010752688
1975	33.7002541826321
1976	30.768130562158
1977	30.0846942997942
1978	32.8231131606671
1979	35.4469898741756
1980	40.372409383488
1981	40.7866953359989
1982	44.2295056784658
1983	43.7106437857759
1984	43.2522556567966
1985	45.8277289041038
1986	45.1645178267295
1987	45.8277963940186
1988	43.8938057340438
1989	48.6375178074062
1990	50.7739975129166
1991	50.3628942626869
1992	48.9163395075607
1993	48.7559699766452
1994	49.3374110789614
1995	48.6067606309361
1996	51.8746120257699
1997	56.6723394645553
1998	61.7803327641636
1999	66.8450240340314
2000	71.7452761855421
2001	103.229222655668
2002	112.651109097992
2003	111.115985740985
2004	105.859883413221
2005	110.303666998869
2006	122.218124674635
2007	129.136189520366
2008	141.949878467341
2009	138.094914106527
2010	130.038594788854
2011	132.538472437775
2012	130.745918544913
2013	128.492053239461
2014	131.555065108848
2015	132.140712683632
2016	134.825791444247
2017	136.492473272567
2018	141.155014406863
2019	151.2580523722
2020	164.13617351072
2021	170.821154615773
2022	174.967769247283
2023	176.11808050281