Year	% of GDP
1990	-16.224687110391926
1991	-15.709223129774019
1992	-17.970913343651105
1993	-17.15416398806916
1994	-14.865623334978947
1995	-10.824001609370358
1996	-12.400963027180374
1997	-11.727939268760613
1998	-20.312616201937416
1999	-19.52623058756194
2000	-14.804961287385233
2001	-20.76676142072327
2002	-20.020916637114496
2003	-20.66348925158182
2004	-14.593962790441928
2005	-18.975935289726827
2006	-20.23425758987364
2007	-17.404939141203947
2008	-30.809012073314605
2009	-25.275843779163843
2010	-27.769532561486184
2011	-26.66287291883821
2012	-28.23631828041367
2013	-27.426148772508398
2014	-21.78543576000879
2015	-23.90846351755971
2016	-19.498643372940606
2017	-16.91258643480486