Year	% of GDP
1960	20.28660130107958
1961	22.07675646563926
1962	18.56949586458208
1963	15.19351172197606
1964	12.935479554595153
1965	14.510517666290607
1966	14.516790855180634
1967	15.321519544809195
1968	13.736680409707311
1969	15.939778960529761
1970	18.035873376245238
1971	22.987282634251976
1972	25.00377302736661
1973	25.99661178831536
1974	23.526828625622525
1975	25.342463752893764
1976	25.35061710362219
1977	27.088429644464444
1978	31.526158977455225
1979	31.05148532094628
1980	29.31893712655337
1981	38.20544650649548
1982	37.915343287603186
1983	36.616017990061835
1984	41.31397361110022
1985	49.06821642730034
1986	56.21773079090855
1987	56.1460491149538
1988	60.54038015217712
1989	62.18990314192748
1990	68.13694563225413
1991	61.42239171584456
1992	67.35352688397442
1993	72.95574367766824
1994	77.87127520818701
1995	79.6179775280899
1996	70.5295566502463
1997	58.46561594458972
1998	67.39208915397896
1999	55.272084382116745
2000	48.510866238138966
2001	48.059593023255815
2002	40.46286329386437
2003	33.34146341463415
2004	29.61726932813117
2005	26.564619259833368
2006	23.775844617491426
2007	30.160358084550325
2008	36.432099230885235
2009	59.53852773871245
2010	47.25378986214494
2011	94.88982592488956
2012	53.95357123280162
2013	69.87719074881501
2014	91.41269883272763
2015	111.57542603482584
2016	132.06861470800993
2017	122.14280991082458
2018	108.54037238781014
2019	110.63384664850662
2020	140.79724235976116
2021	47.47081933317475