????:1?????????????:???????-???

2?????vx

3??????????????

4??????92?

5????????

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

??????????,10???????4.1????????,???????4.6%???????????????38.9?????????????????,????????1.2%,??????????

???????????? ??????:????????10?????????,????????????????????????????3489??????,?????????????????????74.3%???,?????8???????,??,?????????????????,?????????

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

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

?????????????????,??????????????,2?????????????????????????40???,????7??????????????3600?????????????,?????????????????

????? ????:????????,???????????8???????15??????,????????5.3????,???????????????????????????????????????????????,???????????????245.2???,??30.22%?

???????????,?????????????,??????????????3???????????????????,??????????1???

???????? ?????:??504.67????????,????????????????50????????????15???

??????????,10??1328???????????????,??????????????????????,??6900????,???????????3.7%;????????????2.1??????????????????,??????????,????37????????

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

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

???????????????,????,?????????,?????????????,?????????????,???????????“??”????????????,??????????????????????5%~10%?

??????????????????????????? ????????????:?????,???????,???,????

?????????????????????,?????????????10. 7??,??90%????????????????,????????,?????(?????) ???????:?????