Year	% of GDP
2003	6.482870108875602
2004	7.9423374577559605
2005	8.313275820104389
2006	6.976569352211502
2007	5.829039870012166
2008	6.099350899087177
2009	4.732798537175214
2010	4.343656769427476
2011	5.309427494952159
2012	5.1883703238183445
2013	5.069133591962598
2014	4.363989718512946
2015	4.059760434880872
2016	4.574263184753919
2017	2.5359951988698226
2018	5.127460989526381
2019	3.3215943652953417
2020	3.3765190617144385
2021	2.906522348222317