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