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	-2.0012827735640712
1985	-2.2724869644834644
1986	-2.9214808476701513
1987	-3.0782223000305784
1988	-3.0640740591831426
1989	-2.745715521525081
1990	-3.386337140837366
1991	-2.2494170149441257
1992	-2.306633452423291
1993	-3.9043716599676523
1994	-2.403923682482843
1995	-2.18068827030502
1996	-2.018689240066674
1997	-2.7902783202112786
1998	-3.3028888280893107
1999	-3.281057225526385
2000	-3.810296987272167
2001	-4.3480533950568
2002	-4.661652788459763
2003	-3.430043550111133
2004	-3.256157942198755
2005	-3.231469483109929
2006	-2.2640282000487417
2007	-0.4791104125369229
2008	-4.972586553153569
2009	-5.513534168735526
2010	-3.48058118972693
2011	-3.20649564885684
2012	-3.7644761333194943
2013	-4.0657330424929
2014	-3.247437178767376
2015	-2.775809620119351
2016	-2.418516144287435
2017	-2.5542651725242056
2018	-2.3032890829611596