Year	% of GDP
2002	9.380586833360232
2003	9.291034524651367
2004	8.180013294032296
2005	7.590876610278436
2006	8.58695261399388
2007	8.20115340871344
2008	8.560116550960291
2009	10.965703779483846
2010	10.63276754693978
2011	11.051413702687801
2012	10.573342190382833
2013	11.861371172806267
2014	12.452694673080698
2015	12.04554635011246
2016	12.989642055374464
2017	14.294449711606456
2018	14.520112512951483
2019	15.776943283414438
2020	17.41062694379396
2021	18.44799431630556