?????10??

10~20????

???????????????????95~159

16???????“??????”??????????153~209

20~30????

??????????????????????????270~319

30~36????

????????????????346~393

36~40????

????????????516~590

40~50????

?????????????????????????Σ??????÷????????587~645

50???????

????Σ??????????????????????????1330????

?????????????40407??????????