Year	% of GDP
1990	6.821539112721626
1991	5.644554531539327
1992	4.847990305134175
1993	4.726957904295713
1994	6.367539829212447
1995	4.326735910347801
1996	2.791387255913896
1997	1.4394644978114948
1998	2.9771074544377076
1999	4.099634415134767
2001	4.202113609023341
2002	7.459244893096281
2003	5.432486408188753
2004	4.841068183853351
2005	5.325115179907473
2006	22.507676092808914
2007	20.833047006719514
2008	16.326751464886964
2009	14.610529798129143
2010	13.26846832279893
2011	12.111348082738317
2012	8.874166803597
2013	4.3823688163032015
2014	4.364468691728967
2015	4.232429322878806
2016	4.951149092503206
2017	4.232806907687531
2018	4.6891515539349875
2019	3.9142049160910837
2020	3.6484916169775095
2021	5.198218135727883
2022	4.669645478117887