| Value | Category | Cases | |
|---|---|---|---|
| -99 | Refused to respond | 0 |
0%
|
| -98 | Don't know | 6 |
1.6%
|
| 0 | No | 72 |
19.7%
|
| 1 | Yes | 288 |
78.7%
|
| 11 | .Z | 579 |