| Value | Category | Cases | |
|---|---|---|---|
| -8 | Don't know | 3 |
18.8%
|
| 0 | 3 |
18.8%
|
|
| 5 | 1 |
6.3%
|
|
| 10 | 1 |
6.3%
|
|
| 20 | 1 |
6.3%
|
|
| 21 | 1 |
6.3%
|
|
| 40 | 3 |
18.8%
|
|
| 45 | 1 |
6.3%
|
|
| 50 | 1 |
6.3%
|
|
| 150 | 1 |
6.3%
|
|
| Sysmiss | 3596 |