Year	% of GDP
1990	15.739102969046115
1991	15.772252150323352
1992	17.146992602122868
1993	17.189521345407503
1994	18.582387235348268
1995	19.139690871974334
1996	18.985868661679138
1997	11.491134426975092
1998	11.124111326724444
1999	11.306255832022146
2000	11.60359662080092
2001	11.0545659144272
2002	9.994460183129231
2003	10.15885971844705
2004	10.42995862087244
2005	11.221477806469979
2006	12.594152794511789
2007	12.58311562824321
2008	13.57313319399582
2009	13.188512075784717
2010	12.810239836624483
2011	14.418658650407876
2012	14.173444784664897
2013	13.303562177225418
2014	13.39526596559171
2015	14.835035659661239
2016	16.937187447361026
2017	16.918401372183677
2018	16.16824933813155
2019	18.640409643367494
2020	20.955878642726596
2021	16.783189974403857
2022	19.83418119880637