Year	% of GDP
1970	25.551312173203122
1971	24.874353335931406
1972	24.137197237319413
1973	24.90348295566049
1974	29.53400829988333
1975	28.198964699853775
1976	25.721050568677256
1977	25.538684323449946
1978	24.76561583001595
1979	28.53495165965657
1980	32.124075229521345
1981	30.309717077783908
1982	28.701259257528676
1983	28.715027642821244
1984	27.11372989150767
1985	27.319083183105846
1986	24.33605027674541
1987	24.48018193632229
1988	24.252179919971848
1989	24.851264975375766
1990	23.695291285084487
1991	22.21889780089529
1992	24.69745936637494
1993	26.783964157371543
1994	28.39259936748614
1995	28.308760109184263
1996	29.402544987902
1997	30.443925022787372
1998	29.528362966283183
1999	28.635475432569574
2000	32.863780947215666
2001	30.51276378018088
2002	30.16445994908611
2003	30.734963657091647
2004	32.34482671739377
2005	36.30584077674619
2006	38.909292815954004
2007	39.031495894628804
2008	41.28432810851157
2009	34.04237759082681
2010	37.050009832946216
2011	39.67918867867352
2012	40.36222187955451
2013	39.076257457627946
2014	37.631285132215545
2015	35.97558956406557
2016	36.08804788569222
2017	37.503590350904325
2018	39.72338110698958
2019	39.724753812672496
2020	35.71110494962989
2021	39.44403663868765
2022	47.80919506737346
2023	41.38316073840612