concentr    
17          
16.6        
16.3        
16.1        
17.1        
16.9        
16.8        
17.4        
17.1        
17          
16.7        
17.4        
17.2        
17.4        
17.4        
17          
17.3        
17.2        
17.4        
16.8        
17.1        
17.4        
17.4        
17.5        
17.4        
17.6        
17.4        
17.3        
17          
17.8        
17.5        
18.1        
17.5        
17.5        
17.4        
17.1        
17.6        
17.7        
17.4        
17.8        
17.6        
17.5        
16.5        
17.8        
17.3        
17.3        
17.1        
17.4        
16.9        
17.3        
17.6        
16.9        
16.7        
16.8        
16.8        
17.2        
16.8        
17.6        
17.2        
16.6        
17.1        
16.9        
16.6        
18          
17.2        
17.3        
17          
16.9        
17.3        
16.8        
17.3        
17.4        
17.7        
16.8        
16.9        
17          
16.9        
17          
16.6        
16.7        
16.8        
16.7        
16.4        
16.5        
16.4        
16.6        
16.5        
16.7        
16.4        
16.4        
16.2        
16.4        
16.3        
16.4        
17          
16.9        
17.1        
17.1        
16.7        
16.9        
16.5        
17.2        
16.4        
17          
17          
16.7        
16.2        
16.6        
16.9        
16.5        
16.6        
16.6        
17          
17.1        
17.1        
16.7        
16.8        
16.3        
16.6        
16.8        
16.9        
17.1        
16.8        
17          
17.2        
17.3        
17.2        
17.3        
17.2        
17.2        
17.5        
16.9        
16.9        
16.9        
17          
16.5        
16.7        
16.8        
16.7        
16.7        
16.6        
16.5        
17          
16.7        
16.7        
16.9        
17.4        
17.1        
17          
16.8        
17.2        
17.2        
17.4        
17.2        
16.9        
16.8        
17          
17.4        
17.2        
17.2        
17.1        
17.1        
17.1        
17.4        
17.2        
16.9        
16.9        
17          
16.7        
16.9        
17.3        
17.8        
17.8        
17.6        
17.5        
17          
16.9        
17.1        
17.2        
17.4        
17.5        
17.9        
17          
17          
17          
17.2        
17.3        
17.4        
17.4        
17          
18          
18.2        
17.6        
17.8        
17.7        
17.2        
17.4