Year	% of GDP
1990	17.596530891987957
1991	17.32271793165515
1992	18.013008790881425
1993	19.81533758282522
1994	21.447150893405357
1995	25.465745525201193
1996	25.106894256617835
1997	26.19731058312232
1998	27.195734067893678
1999	29.118621015134455
2000	28.902337766657425
2001	26.674425429297234
2002	25.44458771779147
2003	26.562018621353616
2004	28.797616810859374
2005	28.460968518350022
2006	30.291584701926173
2007	33.04658942078591
2008	32.885730936316584
2009	23.451295323253582
2010	22.361641593592154
2011	21.690055004552388
2012	18.75926674977089
2013	19.586607166835286
2014	19.37402462626373
2015	19.1636779594983
2016	18.426867476936863
2017	20.03015995386705
2018	21.3085871042487
2019	20.63233637710947
2020	20.061000419981564
2021	21.733260564461702
2022	24.280402736414544
2023	20.800724011816975