Year	% of GDP
2000	4.804889075509003
2001	5.084279166295219
2002	5.295581247423993
2003	5.365542371990894
2004	5.276020204826081
2005	5.256485283991431
2006	5.338214839740885
2007	5.276931068623818
2008	5.213817351517247
2009	5.5567767545222875
2010	5.185360686644654
2011	4.884574224504435
2012	4.893473483013963
2013	4.813965743871285
2014	4.752386270924802
2015	4.703100535445532
2016	4.877937736042615
2017	4.780643128578107
2018	4.804599944893433
2019	5.000734587619238
2020	5.538881833278686
2021	5.6846376511398224