Year	% of GDP
1991	1.6122407394007918
1992	1.405115435266695
1993	1.7008138708022928
1994	2.0675458211130624
1995	38.08308388412511
1996	36.06551140362557
1997	36.12069270907819
1998	35.81265975365611
1999	34.43567949942407
2000	33.58423888606684
2001	32.87644647562519
2002	33.679425458096944
2003	34.12688265644881
2004	33.853376424283645
2005	32.19001222751464
2006	33.29370849433227
2007	33.60458362716106
2008	33.87097317714025
2009	38.551907123876724
2010	35.917936398653474
2011	33.781336689920686
2012	34.12852893186361
2013	33.89441706911781
2014	34.64994857899148
2015	35.605986652747404
2016	35.55697995807413
2017	35.03790906406389
2018	34.823533512960886
2019	35.41659787072521
2020	35.31573461055371
2021	35.562616995379315
2022	35.03193831219835