| Value | Category | Cases | |
|---|---|---|---|
| 0 | 2 |
8%
|
|
| 6 | 1 |
4%
|
|
| 10 | 1 |
4%
|
|
| 13 | 1 |
4%
|
|
| 14 | 1 |
4%
|
|
| 15 | 1 |
4%
|
|
| 16 | 2 |
8%
|
|
| 18 | 2 |
8%
|
|
| 19 | 1 |
4%
|
|
| 20 | 2 |
8%
|
|
| 21 | 1 |
4%
|
|
| 22 | 1 |
4%
|
|
| 24 | 1 |
4%
|
|
| 25 | 3 |
12%
|
|
| 26 | 1 |
4%
|
|
| 30 | 1 |
4%
|
|
| 35 | 1 |
4%
|
|
| 65 | 2 |
8%
|
|
| 77 | refuse | 0 |
0%
|
| 88 | don't know | 0 |
0%
|
| 99 | missing | 0 |
0%
|
| Sysmiss | 4945 |