A??????? ???????

????:?????100???????:????vx

????2?????19? (????? ?????)????????A?????19???(??)?,?????????????,?,?????????????????????,???3300??????

??,????3351??????????????????????????????????????????????,??????????????0.81%;???????????10772?????,???1.46%;??????2226????????????????,??????????????????????????2.03%?????????????????17210??????,???781??????????????

???,?????????????A????18????,???19?,?????,????????????????????????,????,A???

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

?????,??????????????,???????,?????????????8.68%?7.92%,?A??(?) ???:???