Year	% of GDP
2000	3.62714171
2001	3.76578307
2002	3.84691834
2003	4.05870771
2004	4.23645926
2005	4.24245214
2006	5.11269999
2007	5.22106314
2008	5.28900909
2009	5.26973343
2010	5.38849831
2011	5.20212841
2012	5.0180583
2013	4.93100405
2014	4.91267347
2015	4.76439571
2016	4.75429106
2017	3.98597503
2018	4.09903383
2019	4.36874676
2020	4.47622252
2021	4.54763126