| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 1 |
1.6%
|
| 0 | 9 |
14.5%
|
|
| 1 | 7 |
11.3%
|
|
| 2 | 10 |
16.1%
|
|
| 3 | 8 |
12.9%
|
|
| 4 | 8 |
12.9%
|
|
| 5 | 2 |
3.2%
|
|
| 6 | 1 |
1.6%
|
|
| 8 | 1 |
1.6%
|
|
| 9 | 1 |
1.6%
|
|
| 10 | 7 |
11.3%
|
|
| 14 | 1 |
1.6%
|
|
| 15 | 1 |
1.6%
|
|
| 20 | 1 |
1.6%
|
|
| 24 | 1 |
1.6%
|
|
| 25 | 1 |
1.6%
|
|
| 33 | 1 |
1.6%
|
|
| 40 | 1 |
1.6%
|
|
| Sysmiss | 171 |