Year	% of GDP
1984	-3.5772358770573103
1985	-5.727699372523086
1986	-4.087677754353284
1987	-7.930671677963478
1988	-18.27086702222563
1989	-19.865481582982074
1990	-13.1896818897131
1991	-12.274868683583366
1992	-10.079247760333914
1993	-9.705573484033089
1994	-14.835388561882857
1995	-14.113688310981894
1996	-18.359674360167247
1997	-17.372521183899696
1998	-11.35779499950144
1999	-8.306773117192916
2000	-7.51329416461553
2001	-10.153119132838274
2002	-9.749873523798174
2003	-13.57122955723031
2004	-16.255506491960713
2005	-13.865174829771812
2006	-5.651220370206243
2007	-11.98400273779981
2008	-15.541021143958197
2009	-16.764686869365526
2010	-13.95228581575555
2011	-11.012383672658364
2012	-22.431669731014434
2013	-21.832939819359506
2014	-17.5506449910406
2015	-17.89380708729915
2016	-8.673036008168381