????:1???????????:498?????????

2?????

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

4?????????

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???????????(???) ??:???????????????