Year	+ (-) (% of GDP)
1972	2.0327868852459017
1973	0.2518891687657431
1974	0.6719214368781496
1975	-0.017227518088893994
1976	-1.8054837040869114
1977	-4.106026734796296
1978	-2.3350376424171664
1979	-1.4236824093086928
1980	0.3897754554441463
1981	-0.4637193656895723
1982	-3.263674964615769
1983	-5.072246431784901
1984	-2.3797642068492295
1985	-3.238676032657481
1986	-4.093346740405564
1987	-3.475912535935186
1988	-2.834676581299217
1989	-3.686169824502862
1990	-3.2018269737511216
1991	-4.683758978451716
1992	-2.1822877905704154
1993	-2.422423787765123
1994	-0.5001960313144216
1995	-2.449594764189118
1996	-2.600924143646119
1997	-2.4782726187051614
1998	0.026986204813211158
1999	-2.2134201456506886
2000	-2.401693314397929
2001	-2.1218153869415115
2002	-2.140043524248356
2003	-2.160675313514186
2004	-2.5263591539323094
2005	-2.810775954718063
2006	-2.4411992254601564
2007	-1.9907950545979607
2008	-0.6134980424509527
2009	-1.4731309605775327
2010	-1.3097336837044182
2011	-3.6622915781021206
2012	-4.8184390617535895