| Value | Category | Cases | |
|---|---|---|---|
| 1 | 74 |
11.8%
|
|
| 2 | 83 |
13.3%
|
|
| 3 | 126 |
20.2%
|
|
| 4 | 76 |
12.2%
|
|
| 5 | 144 |
23%
|
|
| 6 | 50 |
8%
|
|
| 7 | 70 |
11.2%
|
|
| 98 | don't know | 2 |
0.3%
|
| Sysmiss | 180 |