?????????????????2???

????:?????:??????sn

???????????????2??????5?? (??? ??)????5?????,??(1???28????2???4?????),????????21961.66????,?4.87%?

???????????,?????????????941.24?,????8.16%;??20634.97???,???4.82%;???219.83?,????5.41%;?165.62?,???6.09%?

??,?4520.97????????,?41.18%????102.27????????,???12.78?????????????????????16.12????????,?23.79%?

???????????1??31???????????????????2.35????2?????1???2.66?,?????????????;??2????????3????15.76????2????4??????????16.11????????,?????????

?????????96.67??;???23.13????????????2???4???,?3.96??,????

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