Average For SUBSTR(xh,3,2)= "99".And.kcdh= "0001" To Ave_0001
Average For SUBSTR(xh,3,2)= "99".And.kcdh= "0002" To Ave_0002
Average For SUBSTR(xh,3,2)= "99".And.kcdh= "0003" To Ave_0003
Average For SUBSTR(xh,3,2)= "99".And.kcdh= "0004" To Ave_0004
? Ave_0001,Ave_0002,Ave_0003,Ave_0004
