Year	% of GDP
2000	5.308183997126959
2001	5.289652766987879
2002	5.14502100358885
2003	5.234098593121883
2004	5.21195137847028
2005	5.221145502564959
2006	5.148509994775959
2007	5.074667594473009
2008	5.090022107561967
2009	5.490538543653615
2010	5.320654405128259
2011	5.297561000010411
2012	5.342001737505065
2013	5.387340988609716
2014	5.461090483052387
2015	5.580231922702511
2016	5.618798254950239
2017	5.700063534839418
2018	5.64550212523577
2019	5.714865942894583
2020	5.995719899054348
2021	5.822011100262148