Year	% of GDP
1975	20.255091742262266
1976	21.669242662831532
1977	22.23537431703959
1978	22.783515700383624
1979	29.803952435422858
1980	27.433145358673105
1981	28.8480786350245
1982	27.395818644964955
1983	28.9069492275481
1984	25.353030054454894
1985	32.428864954685366
1986	36.24708593728147
1987	38.70283460931287
1988	49.819059587543364
1989	47.479299846330804
1990	41.64781968323791
1991	44.99639367073952
1992	41.398507070268295
1993	43.73922912054745
1994	29.322317957083676
1995	29.008248974867335
1996	36.91322850043318
1997	37.49151689174266
1998	40.52701837581505
1999	39.69103100401093
2000	39.441437350485
2001	43.39317716667887
2002	31.434561404553573
2003	35.67831752675518
2004	34.27037293487954
2005	40.436715703604236
2006	41.34629674145849
2007	44.51610407294788
2008	37.088528454928564
2009	27.424000433842664
2010	32.03692210047813
2011	38.61497237771976
2012	36.87433627549258
2013	29.922466445784003
2014	36.442663731461515
2015	31.307304400237605
2016	30.12627878991221
2017	30.79621541594204
2018	26.829454324495174
2019	25.971281116181366
2020	24.132314191559868
2021	30.897941696889404
2022	33.530969282373825