| Value | Category | Cases | |
|---|---|---|---|
| 1 | Never | 64 |
1.4%
|
| 2 | Once a month | 31 |
0.7%
|
| 3 | 2-3 times a month | 22 |
0.5%
|
| 4 | Once a week | 152 |
3.4%
|
| 5 | 2-6 times a week | 305 |
6.8%
|
| 6 | Once a day | 2217 |
49.4%
|
| 7 | Twice or more a day | 1699 |
37.8%
|
| Sysmiss | 10 |