| Value | Category | Cases | |
|---|---|---|---|
| -99 | NA | 3522 |
75.3%
|
| -98 | Don't know | 126 |
2.7%
|
| -97 | Refused | 20 |
0.4%
|
| 1 | Yes | 407 |
8.7%
|
| 2 | No | 600 |
12.8%
|