Year	% of GDP
1965	22.509399234481414
1966	23.880147452665263
1967	21.866120920918178
1968	22.7076143278952
1969	24.051429128833735
1970	25.179629882631666
1971	23.685645617210575
1972	24.628000572665826
1973	26.75770121235159
1974	29.22608988979126
1975	27.311526505603084
1976	29.295754101754458
1977	29.245636786262203
1978	27.498746923750154
1979	29.139657049971934
1980	29.17782614492632
1981	30.481219480103395
1982	29.41209955887924
1983	27.320033999870624
1984	27.00151059562658
1985	27.65512342152938
1986	24.046265245256436
1987	25.151151139591327
1988	24.882905940287085
1989	25.491206249441394
1990	24.54703533647517
1991	24.615156629006833
1992	25.68810222488103
1993	23.894832416310546
1994	24.375555741118475
1995	24.97202994415142
1996	25.53705047626316
1997	25.201227025832868
1998	25.118544583601967
1999	23.679901849232312
2000	24.912225328799586
2001	24.98411093599311
2002	26.16890418344807
2003	27.25382236046808
2004	29.26591904592022
2005	30.009515749792033
2006	31.669696418679326
2007	32.34919419103427
2008	33.019837616530346
2009	31.48843475725081
2010	33.29745652678724
2011	33.47318446217361
2012	33.01818488486331
2013	32.61647090481282
2014	32.371189399010454
2015	32.435079063586066
2016	31.871915051313408
2017	32.141880522784696
2018	32.97731440997108
2019	32.3302933526378
2020	32.6948102464167
2021	34.58614458698393
2022	34.48488395448596