???????6??19??? (??? ?????????????)?????19?,????????????????5?????,????????1120????

??5??167.9???,?????????????18.4%?????????20.8%???4.8?????80.3%,??????????????28%?

??5???,?????????????40.7%??882???????????,???????45.7%,??37.5%?

???,5???,????,????????“?,??80??????,???????????,????90????”(?????????) ????????????????:??????????????????? ??“?????”????

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

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

2?????????

3???????

4???????a???

5???????

???????6??19??? (??? ?????????????)?????19?,????????????????5?????,????????1120????

??5??167.9???,?????????????18.4%?????????20.8%???4.8?????80.3%,??????????????28%?

??5???,?????????????40.7%??882???????????,???????45.7%,??37.5%?

???,5???,????,????????“?,??80??????,???????????,????90????”(?????????) ????????????????:???????????????????