????1?????????16?????????????????????? (? ?????)??16?????????????????,????????,????????????

???????????23??????2900?,??,??????,??????????

??????100??????????????????????,43%?????????,????37%???20%????????????,????????21%?

??,???????,???????????,??????????????????????,???????,?????,??,????????????????,??????????????????100????????????????,53%?????????????????

?????????????????,???????????????50??????????,?????33%?????????????50%??????????????????

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

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