????:1?????SN????:?????????

2??????????

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

4?????????

5???????

??????2?5? (????????? ?)?????????????????2??5?,?8????,???????,?????????????408?????????????,???21????,????5.4%?

2??????????4?????,?,??????????????????????? ???????????

?,2????4?????????,???,??76.8??????????,????????5.8????????????????15.9?,???????6.3????

????,???????????????????????????????,??????????????????????????,??2???5?,?????220.2?????????????????,?77???;??3655?,?1311????656????????????,???363????

???????????????,????????2????????????????????3????2???7??????68???????????????,?????????

???????,????????54???????????21???,??,??;???????48?,???72??????,????(?)

???:????