Year	% of GDP
1981	30.49434662144219
1982	28.090316598668373
1983	30.621159992346243
1984	23.769969829639066
1985	18.20897611117867
1986	18.49156517252668
1987	21.808914189587334
1988	22.626833592530033
1989	22.174050812692077
1990	22.439732436882675
1991	20.99402591650435
1992	20.710067427688323
1993	20.351273437458403
1994	22.42090706199026
1995	21.935132515576612
1996	22.406747144850907
1997	23.9122337867866
1998	29.619158047974476
1999	35.967801081710796
2000	33.39167412925326
2001	34.62368334016986
2002	35.26884428528043
2003	35.6099556982049
2004	36.22923091629381
2005	37.771455095584585
2006	37.22820162758555
2007	36.75442236267487
2008	36.022274740874835
2009	37.948691712027795
2010	39.7514910850438
2011	36.87507108418234
2012	35.13284934638411
2013	36.35440171246748
2014	37.347447975010425
2015	35.634833372453656
2016	35.05477242026763
2017	35.48863167521515
2018	33.80705071795904
2019	31.75518720958255
2020	24.818173360639918
2021	20.20291883316928
2022	22.4737175447068
2023	27.316024328746085