Year	% of GDP
1990	34.75443383356071
1991	34.24401197604791
1992	28.823053463621086
1993	35.900955414012735
1994	38.04278089137977
1995	37.94170025306964
1996	30.849740174193073
1997	35.81673685210398
1998	43.34127768412486
1999	39.045323302693966
2000	35.785591657658806
2001	34.47964481902325
2002	32.45525773195877
2003	31.924718393619255
2004	31.798785491547676
2005	25.409462966660012
2006	23.314058315818674
2007	21.632199714391493
2008	23.442093618887217
2009	31.224527056444252
2010	27.933592370187217
2011	27.323835490188547
2012	29.208292461050313
2013	30.91402839366127
2014	33.61586468318588
2015	39.995954394998165
2016	38.692466057207916
2017	37.576097063030126
2018	34.79798232033161
2019	36.491070403754996
2020	42.354236332998525
2021	37.70117335027123
2022	32.07145933462564
2023	39.0763014661946