| Value | Category | Cases | |
|---|---|---|---|
| 1 | 27 |
4.4%
|
|
| 2 | 59 |
9.7%
|
|
| 3 | 72 |
11.8%
|
|
| 4 | 47 |
7.7%
|
|
| 5 | 121 |
19.9%
|
|
| 6 | 53 |
8.7%
|
|
| 7 | 217 |
35.6%
|
|
| 77 | Don't know | 13 |
2.1%
|
| Sysmiss | 520 |