Year	% of GDP
1998	0.8552120429532233
1999	0.8724964045538981
2000	0.9765194173093402
2001	2.730775631690226
2002	5.403175595564502
2003	5.886893031696936
2004	14.623803160183794
2005	16.106789744305537
2006	20.68037812045713
2007	17.550978639205752
2008	7.068699957268393
2009	7.508787857858362
2010	8.35206936180301
2011	7.280857362920133
2013	12.948193267440667
2014	11.209461846314207
2015	10.422029071115086
2016	9.753856718490647
2017	11.240303973776088
2018	8.570660143022543
2019	10.401772403009
2020	10.149954167193721
2021	11.297313732147058
2022	9.697140419967127