Year	% of GDP
1981	53.4066119037367
1982	51.96007706642721
1983	53.053380641793744
1984	46.73226261882934
1985	51.29852166081965
1986	49.74519624451617
1987	47.92891680163455
1988	47.410144583182614
1989	47.21292569241482
1990	48.28647385075356
1991	57.237943941815914
1992	62.2774788790179
1993	58.486039235286945
1994	51.41657915144828
1995	50.66069173882243
1996	49.91984083124001
1997	52.71375206138396
1998	47.86758522357232
1999	44.378202481992965
2000	44.666017948575934
2001	42.34057112403109
2002	38.6923716914638
2003	37.285055413956115
2004	38.6797549469264
2005	41.17449856073367
2006	42.52417012263931
2007	42.26501219209135
2008	45.1845583729593
2009	45.882694264910455
2010	41.4468200699758
2011	41.24996385745373
2012	44.33094275214633
2013	41.239505534092544
2014	38.52044968892842
2015	36.05697539057863
2016	34.69887959737184
2017	33.779280668883324
2018	31.21880078413869
2019	33.63332905943359
2020	35.55826934582059
2021	37.579115687911425
2022	37.64222827132953
2023	35.78979912197551