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

2?????vx

3?????????

4???????????

5??????????

?11??27? (?? ???????)?????27??,10??????????10.0%,???9??????17.1?????????????????,???????????,?????????

?,110????,??????1.9%,?????????????????,???????4.3%?????????????????,10???????????????????,??????????,????0.2%,?0.7????????????,??????????

10????,??????????41??????????????,???27?????9????????,???????????????,????????????????,???????????,10?9?????22.3????????????,???9?????17.8???????

????,?????????10???????,??????,??????????????????????????????????????9??27.7?????14.4??14.3??10.9?????????????;???????????????????

???????,10???????????,??4.5%,???,???????,??????8????7????9???,??????????????????????????

??????,????????????,??,10??????????,??????????????9???????????20??(??) ?????:?????????????????