Year	% of GDP
1999	3.08122992515564
2000	2.6460949182510403
2001	2.90390992164612
2002	2.8962299823761
2004	3.07778000831604
2005	3.3096399307251
2006	2.9204449653625497
2008	3.06307005882263
2009	3.13160502910614
2010	3.379944920539855
2011	3.286035060882565
2012	3.47275996208191
2013	3.68952989578247
2014	3.38488006591797
2015	3.7146999835968053
2016	3.43478989601135
2017	3.73654007911682
2018	3.5077250003814697
2019	3.540524959564205
2020	3.81900000572205
2021	3.41899991035461
2022	3.378859996795655