Year	% of GDP
1990	12.468873500552636
1991	14.59751871141395
1992	11.900566382732016
1993	16.982541773198008
2001	18.1061131001006
2002	18.009606647292376
2003	19.766820007346084
2004	23.71214600557206
2005	23.6884692085609
2006	13.304688774760622
2007	15.666871862660065
2008	15.694153475916938
2009	15.418490672828966
2010	16.691537469638575
2011	19.3717131890671
2012	19.339268349752466
2013	14.22625903062954
2014	14.215031892885776
2015	14.529803902401664
2016	14.158943433765577
2017	14.520531264604077
2018	15.069289291446585
2019	14.694805547435397
2020	13.754507358813017
2021	14.926373124769382
2022	15.550550687300845