?2???????????????????14?? (??? ?????)????????14????????,??2??????????????8?,?????????50?????13??,??????5.3?,???????????????????75%?

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

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?,???770?????,?????????????1???10??????????1??????22.5??????6????????,????????????????????????????,?????????????????????

?????,???????,????,????,??????????????????????

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????????????,?????????3????????,??????????????7500????????,???????????????95%?????????,?????????????

?,??96.8%,?????2.2%,??????????1%,?????????????

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

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