??????? ??????????

????:????????:???????????????

?(??):?????????,?????????,??,??????????

????????,???????????????????11??,?????5.8%???11??,?????????????80%???60%????????????????????????????,???,?????????????????8.7%????29.3%?????,??21???????????????30%?????

???,11???????,??????????50.3%,???????????????????????,?????????????????????????,????????????,?????????????????

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