Year	%
1986	-32.807259502680665
1987	-9.633813504537038
1988	-5.469330123172074
1989	-4.141396944937098
1990	3.3147276945873356
1991	-1.0480722464846286
1992	0.6177983315929091
1993	23.66678602941698
1994	20.2823658432913
1995	14.675285795224736
1996	19.15785737305938
1997	18.796310433413325
1998	15.715379686005948
1999	15.012639058919646
2000	12.29996311834864
2001	10.931015685704631