Year	% of GDP
2001	6.611160271438231
2002	6.691384190678133
2003	6.965213903758668
2004	7.046448418185518
2005	7.135670039461536
2006	7.043304057809108
2007	6.917262668568208
2008	7.65602988282474
2009	7.498116262769266
2010	7.83468474946733
2011	8.68592470557816
2012	9.024562690194987
2013	8.962413315418214
2014	8.635377737344701
2015	8.498348828208007
2016	7.316911847557576
2017	6.997142632436883
2018	7.731772166474232
2019	7.638638954936567
2020	7.001536744054366
2021	7.642363010179014