| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 6 |
1.9%
|
| -7 | Establishment was not in business | 1 |
0.3%
|
| 1 | Yes | 48 |
15.4%
|
| 2 | No | 256 |
82.3%
|