| Value | Category | Cases | |
|---|---|---|---|
| 1 | Daily | 17 |
0.2%
|
| 2 | Less Than Daily | 175 |
2.1%
|
| 3 | Not At All | 8041 |
97.5%
|
| 9 | Refused | 14 |
0.2%
|
| Sysmiss | 51 |