| Value | Category | Cases | |
|---|---|---|---|
| -9 | Dont know | 2 |
0.3%
|
| -8 | Refused | 0 |
0%
|
| -5 | Not applicable | 0 |
0%
|
| -3 | Missing | 0 |
0%
|
| 0 | 565 |
95.9%
|
|
| 1 | 19 |
3.2%
|
|
| 2 | 3 |
0.5%
|
|
| Sysmiss | 410 |