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

2?????

3??????????

4???????????

5????????

?????????????2?????????????19? (? ?)??????????A?19?????(?????)?,??????????,?????,??????,????????3300???????????

??????????????,??????????????????3351?????????????????????,??0.81%;?????????10772???????????,??1.46%;??2226????,???2.03%???????17210??,?781????????

??,?????A??18?????,?????????19?????,?,???????,??????????????????,A?????????????????

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????,????,??,???????????????????8.68%????????????????7.92%,?????A????(?????????????) ??:???????????????????????????????????????????????