Year	% of GDP
1990	19.792516610327542
1991	14.38359272199283
1992	19.186625091222716
1993	17.886483195080803
1994	20.28340593498923
1995	21.161275063726904
1996	22.902781070804465
1997	21.835600644703355
1998	18.811490581689757
1999	18.048158414117374
2000	19.119830945023747
2001	21.03970137505814
2002	21.463701349234753
2003	22.74012388650129
2004	22.295303862097207
2005	23.36294921005543
2006	26.616147736071554
2007	35.34257587250473
2008	37.28651331352233
2009	25.99758068647927
2010	25.672252632295844
2011	26.82616054780346
2012	27.006897337657605
2013	24.42612280595925
2014	24.363066180837
2015	24.947862839551153
2016	23.114002034791422
2017	22.826021990801763
2018	21.385627530997585
2019	22.97937966596183
2020	23.530257630318516
2021	24.252264210827477
2022	24.723340869424483
2023	26.875491524585556