	 1 7 B   +   1 8 . 1 	 	 	 	 	 	 
 
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 
 1 7 B 	 1 8 . 1 	 r a t i o 	 M 1 7 B 	 M 1 8 . 1 	 D 1 7 B 	 H e t 1 7 B / 1 8 B 	 D 1 8 . 1 
 
 3 0 	 7 0 	 0 . 4 2 8 5 7 1 4 2 9 	 0 . 0 9 3 	 0 . 4 2 0 	 0 . 0 0 0 	 0 . 0 9 0 	 0 . 3 9 8 
 
 3 0 	 6 0 	 0 . 5 	 0 . 1 2 5 	 0 . 4 1 0 	 0 . 0 0 0 	 0 . 0 9 5 	 0 . 3 6 9 
 
 3 0 	 5 0 	 0 . 6 	 0 . 1 4 2 	 0 . 3 9 6 	 0 . 0 0 0 	 0 . 0 8 5 	 0 . 3 7 7 
 
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 
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 
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 
 3 0 	 2 0 	 1 . 5 	 0 . 2 9 5 	 0 . 3 2 6 	 0 . 0 3 6 	 0 . 0 9 8 	 0 . 2 4 5 
 
 3 0 	 1 5 	 2 	 0 . 3 8 6 	 0 . 3 1 0 	 0 . 0 4 5 	 0 . 0 8 7 	 0 . 1 7 2 
 
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 
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 
 3 0 	 2 . 5 	 1 2 	 0 . 5 5 9 	 0 . 2 5 0 	 0 . 0 7 3 	 0 . 0 7 3 	 0 . 0 4 5 