This thread got me curious so I decided to do a little checking. I have not run these numbers previously so I cannot say whether this is average or abnormal. I did find the variations quite interesting.
D3 - 765 total recruits, 114 with WE below 25, 14.9% -- 44 with WE above 75%
D2 - 1103 total recruits, 121 with WE below 25, 11.0% -- 121 with WE above 75%
D1 - 1361 total recruits, 76 with WE below 25, 5.6% -- 219 with WE above 75%