Year	% of GDP
1981	15.785452069534415
1982	15.30761725564664
1983	14.062299906510587
1984	11.508987431885423
1985	12.668425811142384
1986	13.449183509870982
1987	12.655261655525003
1988	13.897992984182613
1989	12.959187006805909
1990	8.04862162870919
1991	12.193608101081674
1992	12.331344026077138
1993	12.61487829782853
1994	14.741712713728802
1995	15.384791812993113
1996	15.72903084111803
1997	15.50103447069544
1998	14.917801566671868
1999	10.331721538099112
2000	9.356488644790739
2001	10.1188557372152
2002	9.648761069371288
2003	9.929956941353977
2004	9.34863612406145
2005	8.600178006689816
2006	8.096654777104922
2007	7.926305181209928
2008	7.593844956348621
2009	8.299310274140687
2010	7.359649359466175
2011	7.647753261061998
2012	7.718555830593299
2013	8.150420971355823
2014	8.46472673740742
2015	8.717634553724425
2016	8.506145691696283
2017	8.398639557524449
2018	8.660472707916966
2019	9.401540158840525
2020	10.02513484297339
2021	10.503827660029112
2022	9.887574726872392
2023	10.10761404574475