Year	% of GDP
1998	1.25907003879547
2000	1.66681003570557
2001	1.72221994400024
2002	1.71121001243591
2004	1.71982002258301
2007	1.59930002689362
2009	1.66568005084991
2010	1.53378999233246
2011	1.51068997383118
2012	1.41400003433228
2013	1.48199999332428
2014	1.56700003147125
2015	1.70299994945526
2016	1.87100005149841
2017	2.09599995613098
2018	2.44799995422363
2019	2.82599997520447
2020	3.00200009346008
2021	1.6710000038147