| Value | Category | Cases | |
|---|---|---|---|
| 1 | Daily | 49 |
3.4%
|
| 2 | Weekly | 121 |
8.5%
|
| 3 | Monthly | 179 |
12.6%
|
| 4 | A few times a year | 164 |
11.5%
|
| 5 | Never | 908 |
63.9%
|
| Sysmiss | 1229 |