| Value | Category | Cases | |
|---|---|---|---|
| -8 | Don't know | 1 |
6.3%
|
| 0 | 4 |
25%
|
|
| 1 | 2 |
12.5%
|
|
| 2 | 2 |
12.5%
|
|
| 3 | 1 |
6.3%
|
|
| 5 | 1 |
6.3%
|
|
| 6 | 1 |
6.3%
|
|
| 20 | 1 |
6.3%
|
|
| 60 | 2 |
12.5%
|
|
| 120 | 1 |
6.3%
|
|
| Sysmiss | 3596 |