Year	% of GDP
1990	13.788902753925797
1991	12.566906079875567
1992	12.578466278105516
1993	12.872871836315708
1994	13.20500373973181
1995	13.114555728996502
1996	12.73420559616915
1997	12.294467947508824
1998	12.462154639875093
1999	11.935375446078927
2000	11.552739356003103
2001	10.976361389987588
2002	10.544044122118432
2003	10.854081891850162
2004	10.873532703228486
2005	10.325228377359142
2006	9.880800532220873
2007	9.279234690176425
2008	9.193907576026021
2009	8.447244064526204
2010	7.9880035051108536
2011	7.3651659217101315
2012	7.04679741906597
2013	6.604919200361639
2014	6.364900809216757
2015	6.295372839721973
2016	6.083055645305183
2017	5.799890643170484
2018	5.773455322987778
2019	5.5953666638974955
2020	5.620080237912162
2021	5.519553104718701
2022	5.392845341268573
2023	5.388743212240379