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

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

?????????????7??1? (??)????7??1????9?????????24?????????????????????????????????????,??????????????????????????????????????????????????(120?~160??????),??(?????40?~60??,??80????)??(8??,??10??)???

6??30??7????????????7????1??7????????????,???????????????????????????????772??????50?,??22.1%;67?????100??,???????1.9%;??174.1??

??,7????????1??,???????????,??,???????????????(?) ????:????