| Value | Category | Cases | |
|---|---|---|---|
| 1 | Per week | 159 |
15.9%
|
| 2 | Per month | 146 |
14.6%
|
| 3 | Annually | 1 |
0.1%
|
| 8 | Not applicable | 692 |
69.3%
|
| 9 | Unspecified | 0 |
0%
|