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

2?????sn

3?????????

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

5??????95?

?6??25?? (????? ??)??25??,??????????12???????,?????????11.3??,???

??????????????????????4??????????????????????????,????????,??,??(????????????????????????,???????????????????????????)??????

????,????,????????????????????“????????????”??

????,????5??227.1?????,??????8.7%,????38.5%???158.5?????,???5.9%?????,5??52.3???????????????,??55.6%?

????????????????????????,1-5??????3421??,????7%,?????????????5?????????743????,????12.9%????????????,5????????????????????????3.6???????

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