| Value | Category | Cases | |
|---|---|---|---|
| 0 | Never | 915 |
41.6%
|
| 1 | Less than once a month | 249 |
11.3%
|
| 2 | About once a month | 227 |
10.3%
|
| 3 | About once a week | 251 |
11.4%
|
| 4 | Several times a week | 318 |
14.5%
|
| 5 | Every day | 236 |
10.7%
|
| 9 | Don't know | 2 |
0.1%
|