Year	% of GDP
1999	51.1746319295826
2000	53.056447944246045
2001	54.198354633539424
2002	55.515217362554225
2003	55.20723495542077
2004	54.743701171012546
2005	58.10070450282004
2006	58.476046199337496
2007	58.96931038868865
2008	58.55443922741378
2009	59.67361504608769
2010	58.81229108120466
2011	58.70784023660259
2012	58.24987039904188
2013	58.38177420936833
2014	57.45858190822176
2015	58.167049028992324
2016	57.09423799624811
2017	56.66941337168638
2018	56.32911542713318
2019	56.35394485226686
2020	55.18535669676247
2021	53.60182791319637
2022	55.44488842284283