| Value | Category | Cases | |
|---|---|---|---|
| 1 | 136 |
5.8%
|
|
| 2 | 196 |
8.4%
|
|
| 3 | 294 |
12.6%
|
|
| 4 | 156 |
6.7%
|
|
| 5 | 399 |
17.1%
|
|
| 6 | 850 |
36.5%
|
|
| 7 | 268 |
11.5%
|
|
| 77 | Don't know | 32 |
1.4%
|
| Sysmiss | 4895 |