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	-3.3091125970446464
1998	-3.660236644784067
1999	-3.59849462302111
2000	-3.8794297709426497
2001	-4.211576905396922
2002	-4.39384755007135
2003	-3.280486306081817
2004	-3.1743601342891243
2005	-3.1784199220930947
2006	-2.332980364387548
2007	-0.7437684346849769
2008	-4.675663429889534
2009	-5.26383719899087
2010	-3.3018475613298186
2011	-3.0543926168988937
2012	-3.4620083415674214
2013	-3.662355352509858
2014	-3.0538810666468676
2015	-2.757556317601134
2016	-2.353444111691753
2017	-2.6392201477483637
2018	-2.5174358531260235