Year	% of GDP
1986	10.238142833109515
1987	11.153768913260084
1988	11.718757323682661
1989	11.78468786625812
1990	12.69838986727098
1991	11.60799609655613
1992	11.289657090990088
1993	11.203150004055042
1994	11.821355308596097
1995	13.914885084047492
1996	13.10577579703879
1997	13.465263473658554
1998	12.261973573804688
1999	12.969378459432471
2000	13.43804676230293
2001	10.630076324678479
2002	9.806805539474547
2003	13.588697693963834
2004	13.542830943520325
2005	12.725420059918369
2006	19.952760942080083
2007	24.669960984098697
2008	22.589477659006008
2009	20.935605671213338
2010	19.13718732027881
2011	23.602188633743804
2012	25.117779346269803
2013	23.42938551219896
2014	22.711369952406503
2015	23.96917239485902
2016	52.41831683024342
2017	25.765824141921705
2018	19.467409547407218
2019	17.79924110711835
2020	16.471170369560873
2021	14.76526062185691
2022	14.998965111277002
2023	23.601319665833405