| Value | Category | Cases | |
|---|---|---|---|
| -99 | NA | 6987 |
93.1%
|
| -97 | Refused | 7 |
0.1%
|
| 1 | Yes | 117 |
1.6%
|
| 2 | Maybe | 129 |
1.7%
|
| 3 | No | 262 |
3.5%
|