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

2??????????

3????????

4???????

5?????92?95?98?

??6??????17??? ???????,?????????????17??????,??Realmeter??,????30.1%,??????66%?

????,Realmeter???10????14????18????2504?????,????30.1%,?1.4??,??10???30%~35%?;????66%,???????0.9??????????????

??:???????