emission
15.8   
26.4   
17.3   
11.2   
23.9   
24.8   
18.7   
13.9    
 9.0   
13.2   
22.7 
 9.8    
 6.2   
14.7   
17.5   
26.1   
12.8   
28.6   
17.6   
23.7   
26.8   
22.7 
18.0   
20.5   
11.0   
20.9   
15.5   
19.4   
16.7   
10.7   
19.1   
15.2  
22.9 
26.6   
20.4   
21.4   
19.2   
21.6   
16.9   
19.0   
18.5   
23.0   
24.6   
20.1 
16.2   
18.0    
 7.7   
13.5   
23.5   
14.5   
14.4   
29.6   
19.4   
17.0   
20.8 
24.3   
22.5   
24.6   
18.4   
18.1    
 8.3   
21.9   
12.3   
22.3   
13.3   
11.8 
19.3   
20.0   
25.7   
31.8   
25.9   
10.5   
15.9   
27.5   
18.1   
17.9    
 9.4 
24.1   
20.1   
28.5