Year	% of GDP
1998	2.89287996292114
1999	2.89331007003784
2000	2.9751501083374
2001	3.70837998390198
2002	3.15283989906311
2003	3.11435008049011
2004	3.17194008827209
2005	3.3646399974823
2006	3.60536003112793
2007	3.51721000671387
2008	3.8051700592041
2009	4.6637601852417
2010	3.63172006607056
2011	3.84261989593506
2012	3.52900004386902
2013	3.20300006866455
2014	3.48600006103516
2015	3.29399991035461
2016	3.47699999809265
2017	3.52900004386902
2018	3.66400003433228
2019	3.48600006103516
2020	4.21099996566772
2021	3.95600008964539
2022	3.6489999294281