Year	% of GDP
2001	7.202275948767493
2002	7.591001727954502
2003	10.01539127166059
2004	12.370498696064686
2005	17.052476088619386
2006	18.736826679805674
2007	14.33479842185443
2008	16.542855340641594
2009	4.465042484792143
2010	11.886435481318358
2011	17.62406821355124
2012	18.43146008611013
2013	15.447983603748142
2014	10.328373796294592
2015	0.05475010358557597
2016	-0.4910494608419995
2017	2.8923996463451473
2018	7.9349519311881025
2019	5.285781436146806
2020	0.23115307318578004