| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 6 |
6.2%
|
| 1 | 3 |
3.1%
|
|
| 2 | 1 |
1%
|
|
| 5 | 3 |
3.1%
|
|
| 8 | 1 |
1%
|
|
| 10 | 5 |
5.2%
|
|
| 15 | 3 |
3.1%
|
|
| 19 | 1 |
1%
|
|
| 20 | 1 |
1%
|
|
| 25 | 4 |
4.1%
|
|
| 33 | 1 |
1%
|
|
| 34 | 1 |
1%
|
|
| 35 | 1 |
1%
|
|
| 38 | 1 |
1%
|
|
| 40 | 3 |
3.1%
|
|
| 50 | 20 |
20.6%
|
|
| 51 | 1 |
1%
|
|
| 65 | 1 |
1%
|
|
| 66 | 1 |
1%
|
|
| 75 | 2 |
2.1%
|
|
| 80 | 1 |
1%
|
|
| 98 | 1 |
1%
|
|
| 100 | 35 |
36.1%
|
|
| Sysmiss | 264 |