Year	% of GDP
1990	28.803292724067635
1991	31.044542802710414
1992	28.183032445659133
1993	29.169166904501935
1994	29.59585957252424
1995	31.10487588219301
1996	31.274917931070302
1997	28.837091785792563
1998	30.627823858029956
1999	29.347402976409498
2000	30.08193894369039
2001	30.8213712707328
2002	29.29064557102203
2003	28.17618291368155
2004	30.651820419997744
2005	31.87970785253596
2006	33.1051938595495
2007	34.81682887541058
2008	33.491909192997035
2009	30.694405106314104
2010	30.416968245898314
2011	30.971835572897575
2012	31.123364846198697
2013	30.707531673542434
2014	32.34368808628905
2015	33.925140820923176
2016	33.65186028481471
2017	33.893251920513315
2018	33.13546837496611
2019	33.59557406391231
2020	32.902748246624576
2021	33.17925842693318
2022	33.136650840712676
2023	33.973175012706925