????:1????????????:??????????50

2??????????

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

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

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

?????????????????10?????????????????????14?? (?? ??)??14???????,??????,????

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

?????????????????,9?????1.6%,???????6???,?????

???,9??????????,??????????????,??,??????????????????????,??????????,??????????????????9?????????,9????????????????

?????????,???????????????????,????????800????????????????,69%????(?????????????????) ???????????????????????:??????????????????