Year	% of GDP
1992	2.80552005767822
1998	3.41966009140015
1999	3.08122992515564
2000	3.82709002494812
2010	3.07808995246887
2011	2.987459897995
2012	3.01340007781982
2013	3.02971005439758
2014	2.66667008399963
2015	2.82399988174438
2016	2.66799998283386
2017	3.55599999427795
2018	3.07200002670288
2019	2.87400007247925
2020	3.3989999294281
2021	2.70099997520447
2022	2.20799994468689
