Hello Larry,
this information is from the weekly GQM reports "Einsatzbereitschaft der fliegenden Verbände". Format is
Unit - Date of report (for preceding week) - number of Ju 88 on hand
St.(F)/Ob.d.L***40-02-03***1
1.(F)/Ob.d.L*** 40-05-11*** 1
2.(F)/Ob.d.L *** 40-10-12*** 1
3.(F)/Ob.d.L *** 40-11-09*** 1
4.(F)/Ob.d.L *** 40-12-28*** 2
7./(F) LG 2 *** 40-11-16*** 3
1.(F)/121 *** 40-04-06*** 2
2.(F)/121 *** 39-10-24 redesignated 4.(F)/ObdL
3.(F)/121 *** 40-03-30*** 2
4.(F)/121*** 40-02-10*** 3
1.(F)/122 *** 40-04-06*** 2
2.(F)/122 *** 40-04-06*** 3
3.(F)/122 *** 40-03-30*** 3
4.(F)/122 *** 40-03-30*** 3
5.(F)/122 *** 40-08-03*** 3
1.(F)/123 *** 40-01-06*** 3
2.(F)/123 *** 40-08-17*** 2
3.(F)/123 *** 40-02-03*** 3
This list shows the date of the first report of a Ju 88 available at the unit and the number of a/c. It seems, that the regular establishment was 9 Do 17 and 3 Ju 88 at one staffel in 1940.
HTH
Carl