Year	% of GDP
1981	19.114096201963367
1982	18.30902706104858
1983	19.602439255141306
1984	17.881514999224887
1985	15.81839857129396
1986	16.173883579782903
1987	18.815868494590838
1988	19.324281891348946
1989	21.543034713967224
1990	23.52914314427038
1991	23.254782600399217
1992	24.211478188672878
1993	28.161912552006374
1994	28.45083794530151
1995	31.384516313613076
1996	34.968582177711546
1997	42.142500181354656
1998	42.27033311959956
1999	38.75033497667464
2000	41.80914929704111
2001	43.74488711629842
2002	43.83912414975001
2003	45.269625992392385
2004	45.29844383240489
2005	42.61563535490968
2006	39.60507930236908
2007	35.630793654255314
2008	34.32423752930091
2009	30.667065187386683
2010	33.229448794211876
2011	31.690407821142237
2012	30.374931654486343
2013	29.64736142376721
2014	30.113667895981965
2015	31.93353486580626
2016	35.1030624223353
2017	38.616078888469985
2018	41.949792926159176
2019	40.45892224630664
2020	32.96672099202499
2021	37.73257489765249
2022	44.04228206496602
2023	40.74292865819915