| Value | Category | Cases | |
|---|---|---|---|
| 1 | Never | 32 |
1.3%
|
| 2 | Once a month | 6 |
0.2%
|
| 3 | 2-3 times a month | 13 |
0.5%
|
| 4 | Once a week | 17 |
0.7%
|
| 5 | 2-6 times a week | 33 |
1.3%
|
| 6 | Once a day | 551 |
22.1%
|
| 7 | Twice or more a day | 1843 |
73.9%
|
| Sysmiss | 1 |