Year	% of GDP
2005	0.0285778415860194
2006	0.028018031995953218
2007	0.029682019450095142
2008	0.04159061130554613
2009	0.04996529152323915
2010	0.04477030983295949
2011	0.036021407908945396
2012	0.03314956449409171
2013	0.03565273619451342
2014	0.035651175119279024
2015	0.04412865465397046
2016	0.04765193193193198
2017	0.04066995371527247
2018	0.0395607254757868
2019	0.03983345512873102
2020	0.04116368340864724
2021	0.03373703546430305
2022	0.025890911723107157
2023	0.026413403263305848