Year	% of GDP
1990	15.69368220252097
1991	12.951949178733068
1992	11.117000489606543
1993	10.212256833727944
1994	12.136532375538199
1995	11.576507354538998
1996	10.825387089738559
1997	12.093774160301626
1998	15.614310256680264
1999	17.717120701318713
2001	14.512718908747404
2002	17.245561868199353
2003	15.763373292799454
2004	16.16704922995662
2005	14.851658903120727
2006	9.515827032766994
2007	7.693193532277662
2008	12.878060640816086
2009	12.153116711878607
2010	12.50319755162115
2011	10.583931315437969
2012	8.466379844596386
2013	10.21191395111918
2014	9.552433676553985
2015	10.377637013547183
2016	10.089296541629123
2017	11.23250356340402
2018	10.817475393563809
2019	9.705413377318079
2020	8.412269291678163
2021	8.41742073128506
2022	7.422450123448619
