| Value | Category | Cases | |
|---|---|---|---|
| -9 | -9. Don't know | 2 |
10%
|
| -8 | -8. Refuse | 0 |
0%
|
| -5 | -5. Zero | 0 |
0%
|
| 21 | 1 |
5%
|
|
| 28 | 1 |
5%
|
|
| 29 | 1 |
5%
|
|
| 31 | 1 |
5%
|
|
| 32 | 1 |
5%
|
|
| 33 | 2 |
10%
|
|
| 35 | 1 |
5%
|
|
| 36 | 2 |
10%
|
|
| 39 | 1 |
5%
|
|
| 40 | 1 |
5%
|
|
| 42 | 1 |
5%
|
|
| 45 | 1 |
5%
|
|
| 55 | 2 |
10%
|
|
| 75 | 1 |
5%
|
|
| 99 | 1 |
5%
|
|
| Sysmiss | 979 |