| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know | 23 |
1.4%
|
| -8 | Refused | 4 |
0.3%
|
| -5 | Not applicable | 0 |
0%
|
| -3 | Missing | 0 |
0%
|
| 1 | Yes | 73 |
4.6%
|
| 2 | No | 1493 |
93.7%
|
| Sysmiss | 4 |