Year	% of GDP
1993	1.8563260299470936
1994	10.108032897691764
1995	-8.98669848232372
1996	4.3569123994080465
1997	-23.10825147929181
1998	7.592281227726483
2000	-0.11503324233312134
2005	2.0328990350112983
2006	8.441132403367487
2007	0.64892509617874
2008	5.991540766219057
2009	-4.468120884970882
2010	15.670611945140658
2011	3.2592181183787075
2012	9.804872201127358
2013	0.407518180489988
2014	6.028916976846627
2015	2.846722943510385
2016	2.2090350850765352
2017	-0.26225040946296113
2018	0.48095585719775247