Video Classics
SILVERBIRD
November 88 - November 89

| ELK |
| 5 |
| Dec 88 |
Sources
(click here for more information on the data shown below)
Electron (Gallup)
| 10 | MONTH to c.88-11-15 | ElU p6 Feb 89 89-01-15 | |
| 5 | MONTH to c.88-12-20 | ElU p6 Mar 89 89-02-15 | |
| 17 | MONTH to c.89-01-17 | ElU p6 Apr 89 89-03-15 | |
| 8 | MONTH to c.89-02-14 | ElU p6 May 89 89-04-15 | |
| 11 | MONTH to c.89-10-17 | ElU p7 Jan 90 89-12-15 | |