| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know | 0 |
0%
|
| -8 | Refused | 0 |
0%
|
| 1 | 1 |
10%
|
|
| 5 | 2 |
20%
|
|
| 10 | 2 |
20%
|
|
| 15 | 2 |
20%
|
|
| 25 | 1 |
10%
|
|
| 30 | 1 |
10%
|
|
| 100 | 1 |
10%
|
|
| Sysmiss | 945 |