| Value | Category | Cases | |
|---|---|---|---|
| -99 | NA | 6987 |
93.1%
|
| -98 | Don't know | 35 |
0.5%
|
| -97 | Refused | 10 |
0.1%
|
| 1 | Yes | 91 |
1.2%
|
| 2 | No | 379 |
5.1%
|