Year	% of GDP
1993	35.59538310584927
1994	31.57018955247179
1995	32.01019793727365
1996	30.48922281738779
1997	30.387268746719375
1998	31.33883630470009
1999	30.29265161144975
2000	30.168301613227765
2001	30.56403786677102
2002	31.812676916476267
2003	32.70251833546838
2004	34.92391732398853
2005	34.650112877752704
2006	34.500390951987875
2007	37.5289054348124
2008	38.21655628578116
2009	38.04430936094009
2010	34.1748406569009
2011	32.43766451248746
2012	33.95743051711636
2013	35.191310392167466
2014	36.45501937667602
2015	37.92252521924686
2016	35.55806672466405
2017	36.47168207798241
2018	35.90094804346952
2019	36.352871081531504
2020	33.904774105657175
2021	33.765541978644734