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

2????????

3???????

4??????????

5???????300??

??????????????2??4??????? (???????????? ??????????)????????“??????????????????”“?? ????”??240????,???????????????4?????,??4.6???????????????????

??????????,??????????31?????2220???????????,?????16.6%?16.5%,????2550????????240????;??????6????12????,?1.5??????,????45%,??8%?

?????????,????????????????????????????2100????,?????,????1634??????????5.1%,????????160.1?????????(???,????)??????42.9%?

????,???,????????????,“????+”???,?????????,“???”?,???????????????100%?

??,???,?????????????????“???????????????”???,???????????“????”?273??????????,????(??)20????,?????(?????) ???:?????????