| Value | Category | Cases | |
|---|---|---|---|
| 1 | Daily | 2 |
0.2%
|
| 2 | Once/Twice a Week | 18 |
1.8%
|
| 3 | Once/Twice a Month | 266 |
26.4%
|
| 4 | Never | 720 |
71.6%
|
| Sysmiss | 1 |