Year	% of GDP
1980	30.68861230661859
1981	34.522611258897115
1982	33.216489160031706
1983	36.939620186083324
1984	38.24615025149269
1985	43.20224081385967
1986	43.46992487755564
1987	42.62235398138035
1988	45.896085810181745
1989	48.158376116748194
1990	36.7278687657797
1991	39.20412675018423
1992	52.938247011952186
1993	45.83472733355637
1994	45.67256468797565
1995	22.92320077888055
1996	37.323736625792876
1997	36.88754892523296
1998	35.10385737163341
1999	47.32517385341718
2000	41.52684740343781
2001	44.20005132526587
2002	41.62230729474011
2003	44.596939492538205
2004	52.107257691426554
2005	57.18464546196246
2006	64.06958412291677
2007	71.17752331509469
2008	72.21108846838806
2009	50.47379551639203
2010	53.282477383204665
2011	58.62989637049463
2012	63.625048019895935
2013	65.12370433507672
2014	65.67356907060832
2015	62.92836754809176
2016	58.97187921577598
2017	62.72644322792114
2018	63.19208935410574
2019	60.74322273469034
2020	54.19779542157941
2021	59.573569084694036
2022	68.98882572288623
2023	57.717317752478195