Exception aggrageation Error

Dear Friends,

My Bex query output looks like below..  

Year    EmpID       TestDate     No of Emp found Abormal

2012     A1             21/01/13                1

2012     A1              17/08/13               1

  Total                                                 2   

I have created RKF -  ZRKF_normal, in selection included zk_counter and restricted wid value "Abnormal" .

Now created Formula( No of Emp found Abnormal)  in column and included this (RKF_Normal *1 ). In Exception aggr tab i selected summation with ref characteristics EMPID.

My total shud be 1 please guide me.

Thanks

Vasu