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

2?????????

3????????

4?????

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

??13???????????,11????,????????????,????????32%,??????????????????????,???

???????????????????,11??????????32.3%,???????????????????183?????????????????,?????50%,?????????????127??????????????????,????????????????70%??????????????????????

?????,??,??,????16.8%,???????17???????,11??28?????????,??,?????????????????10??????7.7%?????,??????????????????

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

????:???????????????? ???????????????????????:?????