| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 0 |
0%
|
| -8 | Refusal (spontaneous) | 0 |
0%
|
| -7 | Does not apply | 0 |
0%
|
| 2 | 1 |
0.7%
|
|
| 5 | 1 |
0.7%
|
|
| 6 | 1 |
0.7%
|
|
| NA | 148 |
98%
|