???????2????????13????????? (???)13?,?U20?,??????????,???????????
??????????,????2??????????????????????6????????????,??????????U20??????????????????,?????,????????,???????4???????????????????????
???????????????????,????,???????????????,????????????????????,????????????,???????????????????????????????2?7??????,?????????????????????????,????????????????,?????????S0S??????????????2???????????????8??????,??????????????,????????????
?,????????????????2?????????10?,??????,???????????????????????2????12???,???,?????,????????
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??????????172?4.9???36.7?
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????3???????7.2%
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????3???????7.2%
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????????10?50????????