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

2?????????

3??????

4??????300????

5?????????

?12????28?(??????? ?)???????28?????,???????????????????(27?),??????????322??????,???52?,318?????????????

??,??????????????7?10?(?????????????12??????????????27?1??????5?????),?,????????????

????,27??,????????????????????85.2%?

??,????????47.8%,?????????????,?28%???18??19?????,50???59??????

?????????,?17?,???????????,?17??????,??4??????????(?) ???:??????