| Value | Category | Cases | |
|---|---|---|---|
| 1 | 1. Yes, email address | 17 |
11.5%
|
| 6 | 6. No email address | 130 |
87.8%
|
| 8 | 8. Don't know | 1 |
0.7%
|
| 9 | 9. Missing | 0 |
0%
|
| Sysmiss | 162 |