?? ???????????:11???
????:1???????????:????
2????????400??
3???????
4?????????
5????????50?????
????12??????20???????????? ??,11??,??????????????,???,?????????,??4.38?,????????3.0%?1-11???,???????44.27???????????,?3.5%?
???????????????,11?3.8??,????????2.8%??????????22.2%;???????6.6%????????10.5%,?2.9???????????????3.1???????????
?????????????????,1-11??????????6.4%,???3.2???11????,??????????????4.0%,????????0.8????
????????????????,1-11????????7.4%,?6.8%,???????26.7%?????????,11?????????????14.9%?
?????????11?????????,??3.76???????????,??????????2.9%;????????6167?????????,??3.2%,???14.1%?1-11????,????????????????????????3.3%??4.3%? ???????????:??