Year	% of GDP
1980	23.95749191066951
1981	23.81050665972247
1982	20.07291790606421
1983	18.852075140684356
1984	18.040331426534706
1985	16.820372569607212
1986	15.606180130535247
1987	16.029921838815312
1988	16.97939413365964
1989	18.593353461246554
1990	15.40506382934147
1991	7.484818724678139
1992	12.499591493250545
1993	15.978829813386527
1994	11.983694347693001
1995	12.640829497051712
1996	11.620333234637021
1997	10.197127283263512
1998	11.467166257847254
1999	16.841762963430522
2000	20.11528554526246
2001	21.33341083221374
2002	20.945616173131924
2003	20.84738645317217
2004	22.217560760029066
2005	23.01299114731715
2006	25.20960772743158
2007	28.247865416642497
2008	25.302418116068086
2009	25.24074860831375
2010	27.979435241540923
2011	29.241537139096312
2012	28.937487760830304
2013	28.916315137257577
2014	28.21300145846249
2015	27.26739115126678
2016	28.97789917547211
2017	31.569798309887176
2018	31.5719544148007
2019	31.304269887472746
2020	22.65778961439588
2021	31.30916075915586
2022	37.39542220854598
2023	39.62339600665373