| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 40 |
14.9%
|
| 0 | 31 |
11.6%
|
|
| 1 | 51 |
19%
|
|
| 2 | 27 |
10.1%
|
|
| 3 | 39 |
14.6%
|
|
| 4 | 11 |
4.1%
|
|
| 5 | 22 |
8.2%
|
|
| 6 | 3 |
1.1%
|
|
| 7 | 3 |
1.1%
|
|
| 8 | 6 |
2.2%
|
|
| 10 | 16 |
6%
|
|
| 11 | 1 |
0.4%
|
|
| 12 | 1 |
0.4%
|
|
| 14 | 1 |
0.4%
|
|
| 15 | 3 |
1.1%
|
|
| 20 | 3 |
1.1%
|
|
| 30 | 3 |
1.1%
|
|
| 34 | 1 |
0.4%
|
|
| 35 | 2 |
0.7%
|
|
| 40 | 1 |
0.4%
|
|
| 50 | 2 |
0.7%
|
|
| 55 | 1 |
0.4%
|
|
| Sysmiss | 344 |