Year	% of GDP
2000	9.6590271
2001	7.94652939
2002	6.33025169
2003	6.00762606
2004	6.57158852
2005	5.64226294
2006	4.22558594
2007	7.22997952
2008	5.55293751
2009	5.50679922
2010	4.55618143
2011	5.87766457
2012	6.04399681
2013	6.63874435
2014	5.88222218
2015	6.47802925
2016	6.95125341
2017	6.2037673
2018	7.34779596
2019	6.81249571
2020	5.91704321
2021	5.31906605