Citadel
SUPERIOR SOFTWARE
December 85 - October 86

| BBC | ELK |
| 2 | 4 |
| Feb 86 | Feb 86 |
Sources
(click here for more information on the data shown below)
BBC (Gallup)
| 7 | WEEK to c.85-12-14 | PoCW p39 85-12-19 | |
| 8 | WEEK to c.86-01-04 | PoCW p35 86-01-16 | |
| 8 | WEEK to c.86-01-11 | PoCW p35 86-01-23 | |
| 9 | 4 WEEKS to c.86-01-14 | AcU #45 p161 Apr 86 | |
| 8 | WEEK to c.86-01-18 | CVG #53 p32 Mar 86 86-02-16 | |
| 8 | WEEK to c.86-01-18 | PoCW p35 86-01-30 | |
| 3 | WEEK to c.86-01-25 | PoCW p35 86-02-06 | |
| 2 | WEEK to c.86-02-01 | PoCW p35 86-02-13 | |
| 3 | WEEK to c.86-02-08 | PoCW p43 86-02-20 | |
| 3 | MONTH to c.86-02-15 | CVG #54 p36 Apr 86 86-03-16 | |
| 4 | WEEK to c.86-02-15 | PoCW p35 86-02-27 | |
| 3 | 4 WEEKS to c.86-02-18 | AcU #46 p121 May 86 | |
| 6 | WEEK to c.86-02-22 | PoCW p43 86-03-06 | |
| 5 | WEEK to c.86-03-01 | CVG #55 p40 May 86 86-04-16 | |
| PoCW p35 86-03-13 | |||
| 4 | WEEK to c.86-03-08 | PoCW p43 86-03-20 | |
| 6 | WEEK to c.86-03-15 | PoCW p35 86-03-27 | |
| 5 | 4 WEEKS to c.86-03-18 | AcU #47 p129 Jun 86 | |
| 6 | WEEK to c.86-03-22 | ( PoCW p27 86-04-10 ) | |
| 7 | MONTH to c.86-03-27 | CVG #56 p46 Jun 86 86-05-16 | |
| 7 | WEEK to c.86-03-29 | PoCW p27 86-04-10 | |
| 6 | WEEK to c.86-04-05 | PoCW p14 86-04-17 | |
| 6 | WEEK to c.86-04-12 | PoCW p38 86-04-24 | |
| 6 | 4 WEEKS to c.86-04-15 | AcU #48 p129 Jul 86 | |
| 7 | WEEK to c.86-04-19 | PoCW p46 86-05-01 | |
| 5 | WEEK to c.86-04-26 | PoCW p38 86-05-08 | |
| 7 | WEEK to c.86-05-03 | PoCW p46 86-05-15 | |
| 7 | 4 WEEKS to c.86-05-13 | AcU #49 p137 Aug 86 | |
| 7 | MONTH to c.86-05-15 | CVG #57 p75 Jul 86 86-06-16 | |
| 6 | WEEK to c.86-05-17 | PoCW p46 86-05-29 | |
| 8 | MONTH to c.86-05-31 | CVG #58 p38 Aug 86 86-07-16 | |
| 6 | WEEK to c.86-05-31 | PoCW p46 86-06-12 | |
| 8 | WEEK to c.86-06-07 | PoCW p46 86-06-19 | |
| 11 | 4 WEEKS to c.86-06-17 | AcU #50 p129 Sep 86 | |
| 6 | WEEK to c.86-06-28 | PoCW p46 86-07-10 | |
| 8 | 4 WEEKS to c.86-07-15 | AcU #51 p131 Oct 86 | |
| 10 | WEEK to c.86-07-19 | PoCW p38 86-07-31 | |
| 5 | WEEK to c.86-08-02 | PoCW p38 86-08-14 | |
| 18 | 4 WEEKS to c.86-08-12 | AcU #52 p131 Nov 86 | |
| 18 | 4 WEEKS to c.86-09-16 | AcU #53 p131 Dec 86 | |
| 4 | 4 WEEKS to c.86-02-18 | AcU #46 p121 May 86 | |
| 6 | 4 WEEKS to c.86-03-18 | AcU #47 p129 Jun 86 | |
| 7 | 4 WEEKS to c.86-05-13 | AcU #49 p137 Aug 86 | |
| 5 | 4 WEEKS to c.86-07-15 | AcU #51 p131 Oct 86 | |
CDS MICROSYSTEMS / BLUE RIBBON / SUPERIOR SOFTWARE
December 88 - August 89

| ELK |
| 5 |
| Feb 89 |
Sources
(click here for more information on the data shown below)
Electron (Gallup)
| 10 | MONTH to c.88-12-20 | ElU p6 Mar 89 89-02-15 | |
| 7 | MONTH to c.89-01-17 | ElU p6 Apr 89 89-03-15 | |
| 5 | MONTH to c.89-02-14 | ElU p6 May 89 89-04-15 | |
| 15 | MONTH to c.89-05-23 | ElU p6 Aug 89 89-07-15 | |
| 16 | MONTH to c.89-07-18 | ElU p6 Oct 89 89-09-15 | |