?? ?????16.2????????? ???4.7???
????:1?????????:?????????
2???????
3????????
4????????????
5????????
????12??26?? ??????????,???????????????,?????????????????16.2????????,????????????4.7????,??????????????2.5??????????????;??8000????????????????,?????3000???,??2300???
??,???43?????,???11.7%???;?51.8??,?????3%????????,???
??????????:?????