| Value | Category | Cases | |
|---|---|---|---|
| -99 | Don't know | 1 |
0.1%
|
| -88 | Refusal | 0 |
0%
|
| -77 | Not applicable | 0 |
0%
|
| 0 | 673 |
97.5%
|
|
| 1 | 13 |
1.9%
|
|
| 2 | 2 |
0.3%
|
|
| 5 | 1 |
0.1%
|
|
| Sysmiss | 137 |