| Value | Category | Cases | |
|---|---|---|---|
| 1 | Several Times a day | 49 |
22.7%
|
| 2 | Once in a day | 18 |
8.3%
|
| 3 | Several times a week | 28 |
13%
|
| 4 | Once a week | 23 |
10.6%
|
| 5 | Less than once a month | 55 |
25.5%
|
| 6 | Never | 38 |
17.6%
|
| 95 | Missing | 4 |
1.9%
|
| 96 | Others | 1 |
0.5%
|