Year	+ (-) (% of GDP)
1974	-0.0856661872827014
1975	0.15021279222891512
1976	0.12852394814742418
1977	0.18457364280688227
1978	-0.10739196814834565
1979	-0.907235536490874
1980	-1.0036523946251925
1981	-0.5018072431009343
1982	-0.7865273518924558
1983	-1.277800610718102
1984	-1.9977660725380546
1985	-2.276047386439841
1986	-2.916817560685717
1987	-3.0782223000305784
1988	-3.057924227856477
1989	-2.741648178222964
1990	-3.4595891055706454
1991	-2.4164857410820537
1992	-2.4114849343905074
1993	-3.969845666319352
1994	-2.561371259200736
1995	-2.3806972669289688
1996	-2.2181786809257993
1997	-3.309112597044647
1998	-3.6602366447840677
1999	-3.59849462302111
2000	-3.879429770942649
2001	-4.211576905396922
2002	-4.39384755007135
2003	-3.2804863060818166
2004	-3.174360134289125
2005	-3.178419922093094
2006	-2.3329803643875473
2007	-0.7437684346849767
2008	-4.675663429889532
2009	-5.2638371989908705
2010	-3.3018475613298186
2011	-3.054392616898894
2012	-3.4620083415674223
2013	-3.662355352509857
2014	-3.0538810666468668
2015	-2.757556317601135
2016	-2.353444111691753
2017	-2.6392201477483637
2018	-2.5174358531260235