| Value | Category | Cases | |
|---|---|---|---|
| 1 | Per week | 63 |
6.3%
|
| 2 | Per month | 128 |
12.8%
|
| 3 | Annually | 7 |
0.7%
|
| 8 | Not applicable | 800 |
80.2%
|
| 9 | Unspecified | 0 |
0%
|