 |
|
60
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 | ) (
|
|
( ) 15 280 8 4 () 38 43.9% 6 22.9% 2006 61.2 60 21 2007 6000 60 9 60 60 60 60 17 60 2000 30 600 60 8 9
|
 | ( )
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( ) |
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