Year	% of GDP
2000	5.11882931466237
2001	5.1427886386491455
2002	5.4415384971283425
2003	5.620404952706472
2004	5.536536824882098
2005	5.4996293314196505
2006	5.267774972285671
2007	5.281474407419135
2008	5.405343219379103
2009	5.969409972647327
2010	5.748570201654099
2011	5.550601441346403
2012	5.570230937003438
2013	5.7656894383969854
2014	5.930283751514649
2015	6.20851042413517
2016	6.292827527390334
2017	6.188258316932172
2018	6.1208489289417365
2019	6.223005174147212
2020	7.257364611166901
2021	7.348330643271645