

 1989        99.8   
 1989        99.0    
 1989        100.0    
 1989        100.2   
 1989        99.6    
 1989        99.4    
 1989        98.4    
 1989        98.8    
 1989        98.6    
 1989        98.2    
 1989        98.6    
 1989        99.0   
 1990        98.6   
 1990        99.1   
 1990        99.6   
 1990        99.0   
 1990        99.4   
 1990        99.3   
 1990        99.3   
 1990        99.5   
 1990        99.6   
 1990        99.1   
 1990        97.7   
 1990        97.2  
 1991        96.7    
 1991        95.9    
 1991        95.0 
 1991        95.4    
 1991        96.1    
 1991        97.2    
 1991        97.3    
 1991        97.4    
 1991        98.4    
 1991        98.3    
 1991        98.1    
 1991        97.5    
 1992        97.7    
 1992        98.3    
 1992        99.0    
 1992        99.8    
 1992       100.0
 1992        99.7    
 1992       100.3   
 1992       100.0   
 1992       100.5  
 1992       101.2   
 1992       101.8   
 1992       101.8   
 1993       102.4   
 1993       102.8   
 1993       102.9   
 1993       103.3   
 1993       102.7   
 1993       102.9   
 1993       103.3   
 1993       103.1   
 1993       104.1   
 1993       104.4   
 1993       104.9   
 1993       105.7   

