Year	% of GDP
1960	11.424971783001803
1961	10.96284084149616
1962	11.109211341735033
1963	11.616829178220808
1964	9.73416583214586
1965	8.777499711029408
1966	8.778295117896295
1967	11.825163053269051
1968	12.374656298614772
1969	12.663188077421792
1970	11.592380145626887
1971	10.285643631098996
1972	13.36363688457381
1973	13.075968759077542
1974	18.231115910217106
1975	19.302091160223586
1976	16.652185776563194
1977	17.75093421968484
1978	16.06401037886007
1979	19.0221796978577
1980	15.156567948170713
1981	15.676752238416816
1982	27.604416926084074
1983	17.321515075125667
1984	12.780317824158907
1985	8.939973747694093
1986	13.464444639616255
1987	12.926940505739742
1988	15.63323061773764
1989	11.817144137510788
1990	14.060356419346991
1991	14.478044692329503
1992	13.621108743999125
1993	16.05813650804117
1994	17.80221470655708
1995	21.41976714256516
1996	17.55116797104471
1997	18.544856426351426
1998	18.15515708485117
1999	18.22709372616905
2000	16.008402448712484
2001	17.75272024514242
2002	14.833722534265902
2003	15.163790042040334
2004	15.218605125345972
2005	12.086044891911317
2006	12.873465119190161
2007	16.376867998369303
2008	13.740420660064645
2009	14.865718729557914
2010	15.608089212583037
2011	16.462557280273728
2012	15.276312739626013
2013	18.86187234767998
2014	19.257585627989922
2015	20.73179208574602
2016	20.27203960469535
2017	23.96042222925006
2018	26.38651302495134
2019	25.62980057906037
2020	25.633843508156712
2021	28.850618317766326
2022	36.525794346119774
2023	40.471064902863816