Year	% of GDP
1995	41.3685079179872
1996	41.96225531074899
1997	42.21270272622004
1998	42.78513204581819
1999	42.508035241156286
2000	42.41669670063235
2001	42.39164030175356
2002	41.35753335975545
2003	40.49645057151453
2004	40.51496581931725
2005	40.45148072362836
2006	40.147531227750754
2007	39.713676983425536
2008	40.810324353199825
2009	39.848178558316846
2010	40.3552788579394
2011	41.20315622774078
2012	42.306085820743824
2013	42.81526165750356
2014	42.596202065839165
2015	40.420142576914785
2016	38.36104140271709
2017	38.815562562507004
2018	39.2046052305528
2019	37.74183884638509
2020	37.285879559260614
2021	37.70272164062125
2022	37.762292776234155