Year	% of GDP
1998	51.02327529144771
1999	53.41044870980043
2000	51.43062511593396
2001	50.13410378286578
2002	50.57964535836687
2003	54.36261281748077
2004	56.38234041729571
2005	64.58068795603145
2006	57.4495570353455
2007	54.853175631631444
2008	53.994501209261294
2009	58.526757061963295
2010	51.333668847508804
2011	52.124496379881954
2012	54.03037092357481
2013	51.180461329715065
2014	48.6933499645364
2015	46.95270543396662
2016	45.65798227920288
2017	43.482746353610814
2018	43.12235532510877
2019	41.860796041367344
2020	43.21300044984255
2021	42.107416078468916
2022	41.35234060479368