??
???????????????2?3????????? (? ??)??,??????,???????????????
??,???????????????????????? ??????????????????,????????????????????????????????????????????,?????
??????????,1????28?0?????????????????2?????3??????15??????,???2.6???????????????,???????????44%,??,??????????????????85.7%,???8.3%,????6%???,??????????????,?1400??
?????????????,???????????????????????,????????,??????????????,?????????????????,???(???)
????:???????????
????????????????????????????????????