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

2???????????????

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

4????????

5??????????????

??????????6?????????????13???????? (??)????,???????????????5??????????,???????????????????????????1724???,??????18.6???????????,??14%?13%,???

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

????,5???????????????3.37??????,?????????????????2.8%,???????18.05???????????????,???????3.0%?????,?????????????????,????,????????,???????????????

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