Year	% of GDP
2003	3.92673993110657
2010	5.07499980926514
2011	5.4850001335144
2012	5.07200002670288
2014	4.47800016403198
2015	4.23899984359741
2017	3.17379999160767
2018	3.55900001525879
2021	4.09000015258789
2022	3.93499994277954