| Value | Category | Cases | |
|---|---|---|---|
| 0 | Not applicable | 32 |
3.5%
|
| 1 | One outlet | 679 |
73.4%
|
| 2 | Two outlets | 32 |
3.5%
|
| 3 | Three or more outlets | 117 |
12.6%
|
| 9 | Not known | 65 |
7%
|