Year	% of GDP
1992	28.17912412142298
1993	34.05445926420671
1994	31.631956080127896
1995	29.994605103816664
1996	29.33125859714076
1997	28.17787092804252
1998	28.8330742151759
1999	28.45606454863694
2000	28.62713656990053
2001	29.265807211572863
2002	30.507040047995897
2003	32.28052503104291
2004	33.42515073146742
2005	33.853596824883404
2006	33.480670234467524
2007	33.26362161171438
2008	33.69919867799781
2009	37.83950511296444
2010	37.928287695362606
2011	38.07485713553975
2012	38.602056126114995
2013	38.8495508129605
2014	38.21237266859499
2015	36.32308174233565
2016	35.800688131717074
2017	35.47065892850625
2018	36.741637414164764
2019	37.02624210850534
2020	35.67398161875195
2021	35.35689459657437