Year	% of GDP
2002	50.61312078479461
2003	50.47923322683706
2004	49.30208058993942
2005	47.335140018066845
2006	50.847457627118644
2007	47.65886287625418
2008	54.45334590009425
2009	56.367531540109496
2010	56.151711378353376
2011	59.76793748520009
2012	61.82440694546344
2013	67.28196896736223
2014	69.92987377279103
2015	69.99726999727
2016	67.98314902580306
2017	67.94939377965208
2018	67.72877899566659
2019	69.20650327590391
2020	65.48102172356171
2021	65.77407740774078