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

2???????

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

4?????

5?95??98??????

????????????????:?? 7?????????????????????:????

??????(???????????):???????????(8????18??)?????????????,????????????????????????????,?????????,????,??????????????????????

????????????:7??????,??,????????????????6%,????1.7?????????????

?,????????13.3%???????????????????????????????

????????????????8.5%,?????2.8???????????????????????,????????????7.2%?14.8%,???????????????????,??????????????8.5%?????????11.7%,??

??,??7??????,??7.3%,?????????????????????8.5%,????????????67.4%,???????????0.7??????????? ?????????:????