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? ???1-10??32544.9??19.8%???3.9???19949?17%12595.9?24.6%???5.33.3???

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IT??????10??????????77.5%28.3%14.3%????18.2%????11658.1?19.4%

????????10???????23.3%20%22.2%21.9%16%??????????65.1%????0.6???

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“??”????????????????1-10???289.3?30.7%

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