Year	+ (-) (% of GDP)
1998	-0.39777503432325784
1999	-0.3878045758367435
2009	-3.389568732130657
2010	-4.283166900328093
2012	-3.293437415338696
2013	-1.8450669026117594
2014	-0.9052662775268481
2015	-1.243285153685756
2016	-1.7396515573777722