| Value | Category | Cases | |
|---|---|---|---|
| 2 | 1 |
20%
|
|
| 3 | 1 |
20%
|
|
| 5 | 1 |
20%
|
|
| 6 | 1 |
20%
|
|
| 10 | 1 |
20%
|
|
| 77 | refused | 0 |
0%
|
| 88 | don't know | 0 |
0%
|
| 99 | missing | 0 |
0%
|
| Sysmiss | 4965 |