| Value | Category | Cases | |
|---|---|---|---|
| -97 | Don't know | 87 |
20%
|
| 1 | Once a month | 77 |
17.7%
|
| 2 | Once a week | 263 |
60.6%
|
| 3 | 3-4 times a week | 7 |
1.6%
|
| a | Not applicable | 0 | |
| b | Don't know | 0 | |
| c | Refused to respond | 0 |