Year	% of GDP
1980	2.5029901977364406
1981	2.3729323613322038
1982	2.166966278908305
1984	1.4083959690329115
1985	1.225673227103845
1986	1.918416416470488
1989	-0.0375557148451217
1990	-3.0126176121338992
1991	-1.2430815414354863
1992	-0.8753743431728382
1993	-1.2377048185281532
1994	-0.72305234644423
1997	0.4326455978180151
1998	0.6587824103551477
1999	0.6127465748577497
2000	0.5193315205384305
2003	0.6131008875716765
2008	1.2505627534684622
2009	1.3961915084693295
2010	1.0328934557945262
2011	0.9002030468437159
2012	0.612171533750039
2013	0.875246366094412
2014	0.9238503598372583
2015	0.7515934307101392
2016	0.5116361064584825