| Value | Category | Cases | |
|---|---|---|---|
| 1 | Daily | 1585 |
19.4%
|
| 2 | Weekly | 3888 |
47.6%
|
| 3 | Twice a month | 711 |
8.7%
|
| 4 | Once a month | 236 |
2.9%
|
| 5 | Less frequently | 1342 |
16.4%
|
| 6 | Never | 402 |
4.9%
|
| Sysmiss | 4049 |