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

2????????

3???????

4??????????

5????????????

??? (??? ?????????????????)???????????????,??????,???,??????????4.37??,?????,???????????????(??)???????13.8%,?????7.7?????????,?????20.6%????????????????,???2.85??,?????????????12.1%;??????????1.52?????,?????????????17.1%?

??????????????,??????????2.61???,???16.9%,??1.6???????59.6%?

?????????????,??????????2.8??,???21.3%,????7.5?,????64%?

??????????????????,???????????5?????????????????????,??12.3%?16.9%?10.6%?7.1%????????17.2%??“????”???????1.64???,??12%?

??????????????,??9.9%,???????????????64.4%??????????14.6%?16.7%?26.3%;???????????,????70.7%?78.3%????????104%?

???,?????????,??????????????????????,?????????????????????????,??????????????? ?????????:??????