????:1???????100???????:????????????

2???????

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

4??????

5??????????

??2?????6??????????????????????? (??? ??????????????)6???????????,????1??????????????,??????,????

??1??,???12????53.3????????48.1,??????????????????????

????,??12??47.6??1??44.9,???????

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????????????????,?????????????????????????????????12??????4.75%,???????????,??

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