| Value | Category | Cases | |
|---|---|---|---|
| 0 | 11 |
11.6%
|
|
| 1 | 14 |
14.7%
|
|
| 2 | 13 |
13.7%
|
|
| 3 | 15 |
15.8%
|
|
| 4 | 11 |
11.6%
|
|
| 5 | 1 |
1.1%
|
|
| 6 | 6 |
6.3%
|
|
| 7 | 3 |
3.2%
|
|
| 8 | 2 |
2.1%
|
|
| 9 | 1 |
1.1%
|
|
| 10 | 2 |
2.1%
|
|
| 12 | 2 |
2.1%
|
|
| 13 | 1 |
1.1%
|
|
| 14 | 1 |
1.1%
|
|
| 59 | 1 |
1.1%
|
|
| 98 | don't know | 11 |
11.6%
|
| Sysmiss | 6660 |