| Value | Category | Cases | |
|---|---|---|---|
| 1 | Every day | 24 |
0.2%
|
| 2 | More than once a week | 54 |
0.5%
|
| 3 | About once a week | 119 |
1.2%
|
| 4 | About once a month | 391 |
4%
|
| 5 | A few times a year | 455 |
4.6%
|
| 6 | Never | 8815 |
89.4%
|
| Sysmiss | 2 |