| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know | 4 |
2.5%
|
| 1 | 142 |
87.1%
|
|
| 2 | 9 |
5.5%
|
|
| 3 | 4 |
2.5%
|
|
| 4 | 3 |
1.8%
|
|
| 5 | 1 |
0.6%
|
|
| Sysmiss | 319 |