Year	% of GDP
1978	7.332276055853202
1979	6.490887959854794
1980	8.799186899295593
1981	8.66669293512674
1982	9.431286551744488
1983	8.854338098350748
1984	7.788232523844317
1985	7.268729050861691
1986	9.579299027332873
1987	6.326163891794763
1988	6.388587377888038
1989	6.712731712731706
1990	6.732845155690087
1991	9.014401027334436
1992	7.59205497190835
1993	7.359064035306854
1994	7.068226199343705
1995	7.231821522111891
1996	10.245609556432267
1997	11.519530189309457
1998	16.283588454613348
1999	13.63905449857023
2000	11.330534807443454
2001	12.878220514443752
2002	12.342332002481571
2003	14.923972135763488
2004	15.701694316013118
2005	13.140629317359526
2006	14.002715530856975
2007	16.10144994492712
2008	12.652645246710714
2009	14.681898233676732
2010	12.568379351740704
2011	12.990284452524413
2012	13.125013664893501
2013	14.21812644181516
2014	14.218553938089826
2015	17.335072103384142
2016	17.91948236187822
2017	18.307260405829563
2018	18.081269761946224
2019	19.316150522563078
2020	14.103602077703137
2021	12.95435525815504
2022	13.270050583147594