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

2???????????

3??????????

4????????

5??????498??

????????????11??????????????????????22???????? ?????????????22?????????,??????????????????,??,??????????????????????,?????????????????????????????,?????????????,??????????????????????????????,?????,??????????????????????????,????????

????????????,??????????????????,??????????????????????0.35??0.6??????,????9???3.5%???????,??????????0.31????,???????????????

??????????,????????????,????,??????????????????????????????????????,????35.75??????,????25%,???????????5.78??,?????????????????????????13.4%?

?,??????????????????????????,????????????????,??????,??????????????????????????????1-9??,???????????27%,????“?????????”????????????????3.2?,????

??,?????????????????,???????????????????????????,?????????????????8.9?????????????????????,???15%,??26.5%,???????2.1????????????????????????????,???

??,???????????????????,??,??????? ????????????:??????????????