Year	% of GDP
1990	12.3213900416644
1991	6.66253621093101
1992	5.28304248787578
1993	5.01465535130142
1994	4.8610112097215
1995	5.82930724272583
1996	8.61228017412449
1997	7.15860668434788
1998	2.25218755062942
1999	10.6811071898123
2000	24.7022127271689
2001	16.8769158317887
2002	18.663679662836
2003	19.0561886830313
2004	21.3287460118204
2005	24.6119449899113
2006	21.1400400879889
2007	18.7183777371544
2008	22.9379468470309
2009	15.4811753728879
2010	14.3876480168855
2011	18.3529532976804
2012	16.1210271615703
2013	13.575329365067
2014	13.4439854013249
2015	6.77396398337604
2016	6.9499320090465
2017	9.66346231175396
2018	15.0881830400628
2019	13.3329218324239
2020	7.12577724575059
2021	14.8448016221428