| Value | Category | Cases | |
|---|---|---|---|
| 0 | Never | 258 |
11.7%
|
| 1 | Less than once a month | 55 |
2.5%
|
| 2 | About once a month | 83 |
3.8%
|
| 3 | About once a week | 119 |
5.4%
|
| 4 | Several times a week | 341 |
15.5%
|
| 5 | Every day | 1338 |
60.9%
|
| 9 | Don't know | 4 |
0.2%
|