????:1??????????????:??????

2?92,93,95,98?????

3??????????

4?????????

5????????

??????????????12?????????2??? (?????????????? ?)11???,??,??

????,?????11?,??????????,11????,?????????????30???“U”?????????????,????????,??3%,??????????20%,????60%???11??????,30?????,?????????????????1-10??3.91?????

?????????2??,11???????,??100?????????????????,????????????????15%,????????10????????????20??????????????11.7%,???????????????26.3%?

???????????,11???????,???18763?????????????????,????????20?????????????????????,??1.5??“????????????????????”,?????????????????1.5????,????????????????,?????????????????11????????????????????;????????????????????11???50%?

?????,11??,??????????,??????????????????????,?????7???????????????,???,??????0.36%,??????????????2.40%?

???????????????,11??????????????,?????300?????????23.4%,????????????????????????

??,??????????????????,11????3633.5??????????,??16.6%,?,????????????9???44.3%???,?????????????????????11?????

???9??????????????????????,10?????“?”,11????????????“?”???????????????,????????????????100???,?????

??,?“????????????,???????????,????????????????”?????,??????????????“??”?????(???????????) ????????????????????:???