| Value | Category | Cases | |
|---|---|---|---|
| 1 | Daily | 532 |
46.5%
|
| 2 | A few times per week | 239 |
20.9%
|
| 3 | A few times per month | 121 |
10.6%
|
| 4 | Once a month or less | 84 |
7.3%
|
| 5 | Do not use it never | 167 |
14.6%
|
| Sysmiss | 879 |