???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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