| Value | Category | Cases | |
|---|---|---|---|
| 1 | Everyday | 6950 |
32%
|
| 2 | A few times in a week | 2382 |
11%
|
| 3 | Once a week | 347 |
1.6%
|
| 4 | A few times in a month | 2357 |
10.9%
|
| 5 | Once a month | 546 |
2.5%
|
| 6 | Never | 9115 |
42%
|
| Sysmiss | 5982 |