Year	% of GDP
2004	23.0814489921507
2005	38.8425780859539
2006	42.6367076619964
2007	54.630228766986
2008	57.7343406855571
2009	53.7810073138324
2010	47.6844927907076
2011	42.428163613364
2012	35.1187463614202
2013	31.2161620904851
2014	28.954899775636
2015	29.1014786368811
2016	30.3476225372342
2017	31.1989633144231
2018	31.0378663786162
2019	31.539334008471
2020	53.3551626912335
2021	39.294701636539
2022	35.253978597682
2023	35.9325135542639