| Value | Category | Cases | |
|---|---|---|---|
| -99 | (Don't read) Don't know | 4 |
0.5%
|
| -97 | (Don't read) Refused to answer | 0 |
0%
|
| 1 | Yes | 638 |
78.5%
|
| 2 | No | 171 |
21%
|