????:1?93????????:??????

2???95??????

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

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

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

??7??????????????????15???????????????? (??????? ??)6????????????????????????????????????15??,6??????????????????,70????,?????

????????????,???????????????????????,6??????????,????????0.5%,???????0.2???????0.7%,????????????????????????????0.6%,?????0.2??

????????????,???????????,?????????????????0.4%,???????0.8????,??????????????????,?????????????????????0.2%??????????????????0.5%???????0.9%,??0.1?????????????????????0.9%,?????????????

??6??,????????????????,??????,???????????????????

????,6??,70?,????????4??????????????,?????????????????

?????????????,????????58???????,????,??????????????,????“???”???????,6????????????????????,???,???????????(??) ???:??????????????????????