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

????:?????????????:??kb???

????????6????19?? (?? ?? ?????)?19?????????

?:??????????????,????????5??????????,?????????????????????????????

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

????:??,????????,??1724????????,???18.6??????????????,???????????????????????????????14%?????13%,????????????????????????5?,??9?,?????????3800????????????????????,??,??13????????

???????????????,????,??“???”???????????,???????????????????????????????????5??,??????8.6%,???0.6???????????5??,?????????????

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

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