| Value | Category | Cases | |
|---|---|---|---|
| 3 | 1 |
3.3%
|
|
| 4 | 1 |
3.3%
|
|
| 5 | 1 |
3.3%
|
|
| 8 | 2 |
6.7%
|
|
| 9 | 2 |
6.7%
|
|
| 10 | 4 |
13.3%
|
|
| 12 | 1 |
3.3%
|
|
| 13 | 1 |
3.3%
|
|
| 14 | 1 |
3.3%
|
|
| 15 | 5 |
16.7%
|
|
| 20 | 2 |
6.7%
|
|
| 23 | 1 |
3.3%
|
|
| 24 | 1 |
3.3%
|
|
| 25 | 1 |
3.3%
|
|
| 26 | 3 |
10%
|
|
| 28 | 3 |
10%
|
|
| 77 | refuse | 0 |
0%
|
| 88 | don't know | 0 |
0%
|
| 99 | missing | 0 |
0%
|
| Sysmiss | 4940 |