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

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