| Length of GCM subscription: |
|
|
| * 2005 GCM Readership Survey |
|
Time spent reading GCM each month:
|
|
|
| * 2005 GCM Readership Survey |
|
Number of colleagues that GCM is shared with each month:
|
 |
| * 2005 GCM Readership Survey |
|
Percentage of superintendents that read the advertising in GCM:
|
 |
| * 2005 GCM Readership Survey |
| Action taken as a result of GCM advertising: |
 |
| * 2005 GCM Readership Survey |
