Year	% of GDP
1990	9.131265077524398
1991	8.159387531499535
1992	9.622357563089004
1993	8.626651412578212
1994	7.942995557883716
1995	7.562050348761194
1996	7.996350284244498
1997	8.267349956637124
1998	9.413257110195797
1999	10.51820437696254
2000	10.939995514849462
2001	13.399160607535437
2002	12.981609489219851
2003	14.57289227813485
2004	12.87859126409032
2005	13.039383077498648
2006	13.224649770762786
2007	12.659665101828224
2008	11.874195141480394
2009	12.621655734998797
2010	12.8578109221043
2011	12.745311128776152
2012	13.17140047504956
2013	13.033096218591384
2014	13.283611032795303
2015	12.735810767948456
2016	12.796065262577146
2017	12.893525522102145
2018	12.982450839186871
2019	13.126948875591301
2020	14.99884120368761
2021	13.337765765510746
2022	14.087238042863333
