SI-MM-1-38 (8-65) 
' Q 1-15 liay 
O = 16-31 I-feiy 
O = 0 birds 
0 = 1-10 »• 
O =11-25 " 
O =26-50 " 
O =51-100 " 
=101-500'* 
=500^- " 
'MY 
o 
o 
o 
