Year	% of GDP
1981	30.543729942015453
1982	29.412403152552702
1983	31.646075747514214
1984	26.817813020581514
1985	20.89478827828899
1986	21.08665887234596
1987	23.52358576398669
1988	23.639529872613164
1989	23.52830537597585
1990	22.499128834644324
1991	19.79867935678938
1992	18.389733276383144
1993	17.73507246914715
1994	18.61278063928438
1995	18.14279613765118
1996	18.316915190772512
1997	17.790434294057714
1998	15.075578125303721
1999	15.837222461834155
2000	17.219434022395657
2001	16.35579026783285
2002	16.625692931253766
2003	16.56412798728512
2004	17.25940460452208
2005	17.18093393302917
2006	17.655717838523785
2007	18.512039796790866
2008	17.999742629917233
2009	16.984181611401613
2010	20.087152064421858
2011	18.154957625821982
2012	16.652870173942368
2013	17.17228249240838
2014	18.164806736520585
2015	16.61547024723469
2016	16.188444018917533
2017	16.49498582961712
2018	15.414394486073576
2019	14.32580623380548
2020	9.669497346465768
2021	9.160197167194822
2022	9.03098115713811
2023	9.231941432655514