Year	% of GDP
1977	0
1978	0
1979	0
1980	0
1981	0
1982	0
1983	0
1984	0
1985	0
1986	0
1987	0
1988	-0.01591071504172654
1989	-0.008639240151760808
1990	0.023031072022442214
1992	0.05031661875609189
1993	0.011706367851552024
1994	0.02083525303955302
1995	0.07349911876118656
1999	0.01493909103555176
2005	-0.46402759017625855
2006	0.005429776652481728
2007	-0.052084058849022286
2008	-0.18470053346166249
2009	-0.017168143153220437
2010	-0.0012905143598852299