| Value | Category | Cases | |
|---|---|---|---|
| 1 | Daily | 1425 |
1.9%
|
| 2 | Several times a week | 3557 |
4.7%
|
| 3 | Once a week | 2720 |
3.6%
|
| 4 | Once a month | 4231 |
5.6%
|
| 5 | Rarely | 16025 |
21.1%
|
| 6 | Never | 47837 |
63.1%
|
| Sysmiss | 119018 |