Year	% of GDP
1981	15.909310772887004
1982	15.304280044726449
1983	14.18220427484432
1984	12.353743533056448
1985	12.968705280257742
1986	13.38067356224121
1987	13.051993523497549
1988	13.369774866240647
1989	12.796022454669123
1990	13.1055583855294
1991	13.025486486758671
1992	13.107561044671586
1993	13.038998800779122
1994	14.023865589814498
1995	15.259284452395772
1996	15.375299850029297
1997	15.652523239507115
1998	15.183549539321147
1999	12.704040698507676
2000	11.485030121115505
2001	11.819511319989791
2002	11.668105845793054
2003	11.603199060248274
2004	11.57775083471339
2005	11.508303674697846
2006	11.258162922609541
2007	10.933889804842387
2008	10.573143244914188
2009	10.724884447786305
2010	10.00302178237464
2011	10.345189131921492
2012	10.725975947138776
2013	11.163180364278922
2014	11.36577151253032
2015	11.370718882572142
2016	12.003404851482053
2017	12.017019768813233
2018	12.48072761157064
2019	13.197737213109956
2020	13.396590617679957
2021	13.952887228283583
2022	14.19305561957528
2023	13.857984734688673