Year	% of GDP
1989	18.299983883095933
1990	18.991651513131586
1991	17.04827818252227
1992	12.1740881125514
1993	12.314239081734414
1994	10.305410652854203
1995	10.344780933993677
1996	10.315272165753258
1997	9.602389695184105
1998	9.185156639266982
1999	9.03991053775956
2000	8.171434035804316
2001	7.705313874764825
2002	7.571033029322704
2003	7.344076947022627
2004	7.107536223310546
2005	6.3715448065658595
2006	5.657678860101096
2007	5.275585485370286
2008	5.169174925433756
2009	5.539553793548856
2010	5.523998197268474
2011	5.269813402854496
2012	4.9323455118926995
2013	4.909404255481729
2014	5.132661032637634
2015	5.653431842517167
2016	5.524525211625905
2017	5.083112926986456
2018	4.726546983797973
2019	4.857204852920543
2020	5.266635345584126
2021	5.046433066853509
2022	5.01943153517319
2023	4.77149562667309