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

2?????????

3?????????100?

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

5??????

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