123
SILVERBIRD 
March - June 89

| ALL | CPC | 
| 38 | 19 | 
| Mar 89 | May 89 | 
Sources
(click here for more information on the data shown below)
All Formats (Gallup)
| 38 | WEEK to 89-03-11 | CTW #229 p19 89-03-27 | |
| 19 | 4 WEEKS to c.89-05-06 | AmCU #56 p33 Jul 89 | |

| ALL | CPC | 
| 38 | 19 | 
| Mar 89 | May 89 | 
(click here for more information on the data shown below)
| 38 | WEEK to 89-03-11 | CTW #229 p19 89-03-27 | |
| 19 | 4 WEEKS to c.89-05-06 | AmCU #56 p33 Jul 89 | |