?8?????????????????

????:????vx:?????

?????9?27??????????????????? (?????????? ?)?,????????????????8???????,18?????????,???????????

???27?????,18????????????????,????????????0.5%???????????????????,18?1.2%?

??,18??,?????41??,?????29?????????????,???????????????18?????????????,????2.4%,?????????

????????,18?????????????????????????,?????10.9%,?10.4??????,???1.8?,???????

??????????????,??,????????????????????????????????????????????????????????,???20.3%?26.2%?29.9%?

?,18??????,??8.4%,????????????????????7????????????;????????????3.2%,8??????????5???

?,??????,?????,????????????????,???????????????????????????????,????????????????,???????,??(??????) ????:?????