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

2???????

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

4????????

5?????????400

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

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

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

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

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