| Value | Category | Cases | |
|---|---|---|---|
| -8 | don't know | 0 |
0%
|
| 8 | 1 |
4.3%
|
|
| 10 | 3 |
13%
|
|
| 15 | 2 |
8.7%
|
|
| 20 | 8 |
34.8%
|
|
| 25 | 3 |
13%
|
|
| 30 | 4 |
17.4%
|
|
| 40 | 1 |
4.3%
|
|
| 360 | 1 |
4.3%
|
|
| Sysmiss | 1137 |