data vaso1;
 input cons volume rate;
 datalines;
1   0.825   3.7    
1   1.09    3.5    
1   2.5     1.25   
1   1.5     0.75   
1   3.2     0.8    
1   3.5     0.7    
0   0.75    0.6    
0   1.7     1.1    
0   0.75    0.9    
0   0.45    0.9    
0   0.57    0.8    
0   2.75    0.55   
0   3.0     0.6    
1   2.33    1.4    
1   3.75    0.75   
1   1.64    2.3    
1   1.6     3.2    
1   1.415   0.85   
0   1.06    1.7    
1   1.8     1.8       
0   2.0     0.4   
0   1.36    0.95  
0   1.35    1.35  
0   1.36    1.5   
1   1.78    1.6   
0   1.5     0.6   
1   1.5     1.8   
0   1.9     0.95  
1   0.95    1.9   
0   0.4     1.6   
1   0.75    2.7   
0   0.03    2.35  
0   1.83    1.1   
1   2.2     1.1   
1   2.0     1.2   
1   3.33    0.8   
0   1.9     0.95  
0   1.9     0.75  
1   1.625   1.3
;
run;