Year	% of GDP
2000	5.040653315041629
2001	5.090308562556499
2002	4.9892058662912175
2003	5.047688704483857
2004	4.997587385890545
2005	4.990450662476506
2006	4.928036539162589
2007	4.85393669291528
2008	4.91060339130537
2009	5.246389267902596
2010	5.05281180378776
2011	5.010686361623102
2012	5.0703230810077144
2013	5.1621676407792965
2014	5.192367654882397
2015	5.282948324923671
2016	5.304503095135212
2017	5.322328493854187
2018	5.269964370968793
2019	5.338522708266006
2020	5.688167907106756
2021	5.616001412463835