| Value | Category | Cases | |
|---|---|---|---|
| -2 | Don't know | 1 |
1%
|
| 0 | 13 |
12.4%
|
|
| 1 | 28 |
26.7%
|
|
| 2 | 29 |
27.6%
|
|
| 3 | 17 |
16.2%
|
|
| 4 | 14 |
13.3%
|
|
| 6 | 2 |
1.9%
|
|
| 8 | 1 |
1%
|
|
| Sysmiss | 95 |