Year	% of GDP
1994	4.11687994003296
1998	7.64104986190796
1999	6.1626501083374
2000	7.0036301612854
2001	8.95114994049072
2002	8.13197994232178
2003	8.44151020050049
2008	5.95150995254517
2009	5.16051006317139
2014	5.18195009231567
2015	5.60338020324707
2017	4.5334300994873
2019	1.77407002449036
2020	2.17358994483948