| Value | Category | Cases | |
|---|---|---|---|
| 1 | Never | 48 |
1.2%
|
| 2 | Once a month | 9 |
0.2%
|
| 3 | 2-3 times a month | 14 |
0.3%
|
| 4 | Once a week | 51 |
1.2%
|
| 5 | 2-6 times a week | 156 |
3.8%
|
| 6 | Once a day | 3509 |
84.7%
|
| 7 | Twice or more a day | 356 |
8.6%
|