Year	% of GDP
1981	15.4569702196584
1982	16.346392425255214
1983	17.166099007295017
1984	18.559615469123997
1985	18.10042223308801
1986	22.529423012862285
1987	24.572498328800492
1988	26.146877650483823
1989	25.384332705891676
1990	24.258897787005722
1991	24.26963276183684
1992	24.15056942674324
1993	24.069232269448474
1994	25.140326623221192
1995	25.558925638736184
1996	25.57134000748914
1997	26.40205968874219
1998	27.051859151292796
1999	23.702039044422264
2000	20.811076376803985
2001	22.859348962327093
2002	29.7520704993947
2003	27.617494790318915
2004	23.908327111790044
2005	23.297327865055667
2006	22.413064415268583
2007	22.19457300404281
2008	22.73672493193694
2009	23.764227142936683
2010	22.18543291250643
2011	20.60384187406655
2012	20.44793057667823
2013	19.60285966723597
2014	19.223689444527917
2015	20.24209476803527
2016	20.527082604229737
2017	20.38387341464998
2018	20.464235362643684
2019	20.637680421062367
2020	22.34051343015506
2021	21.56774840597279
2022	21.866301930095844
2023	21.302691127387195