| Value | Category | Cases | |
|---|---|---|---|
| 1 | Never | 21 |
0.3%
|
| 2 | Once a month | 2 |
0%
|
| 3 | 2-3 times a month | 10 |
0.1%
|
| 4 | Once a week | 7 |
0.1%
|
| 5 | 2-6 times a week | 20 |
0.2%
|
| 6 | Once a day | 4012 |
49%
|
| 7 | Twice or more a day | 4113 |
50.3%
|