UNEMPLOYEMENT : between 1986 and 1992 the Spanish one from 20.9 % to 15.5 % .
UNEMPLOYEMENT : between 1986 and 1992 is barcelona 's unemployment rate fell from 18.4 % to 9.6 % .
UNEMPLOYEMENT : between 1986 and 1992 , Barcelona 's unemployment rate fell from 18.4 % to 9.6 % , the Spanish one from 20.9 % to 15.5 % .