???????̧???????????????56????7??6?7??????1.15?1.25?
?????????615?1?710?0.55?0.8???
??????????0.2?????0.2?0.4???
???17???????1?2????2.8??2015???????6???6??1.5??7?0.9?7?????12.3%
6?????
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?????????6?7????????????????10%???????10%15%6̧??????
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??????????y???????????????????k?????????????????????????????
?????????????????????????8?????????????8??????
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