???????20???????

????:?????100?:????????????

??????9??26?? ?,??9??????25??,??20???????????????????????????,3?????12.5?????????,????2.517%;7????????????7.5??,???????????2.738%????,??,?????????162??,?8.1????,????????????????????????????????????????51%?36%?5%?8%,??????????????????26%?51%?4%?19%??????(CMU),?????????

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