| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 53 |
39.6%
|
| 0 | 27 |
20.1%
|
|
| 1 | 2 |
1.5%
|
|
| 2 | 4 |
3%
|
|
| 3 | 2 |
1.5%
|
|
| 4 | 1 |
0.7%
|
|
| 5 | 4 |
3%
|
|
| 6 | 1 |
0.7%
|
|
| 8 | 2 |
1.5%
|
|
| 9 | 2 |
1.5%
|
|
| 10 | 9 |
6.7%
|
|
| 11 | 2 |
1.5%
|
|
| 12 | 1 |
0.7%
|
|
| 15 | 1 |
0.7%
|
|
| 20 | 2 |
1.5%
|
|
| 23 | 1 |
0.7%
|
|
| 25 | 1 |
0.7%
|
|
| 29 | 1 |
0.7%
|
|
| 30 | 1 |
0.7%
|
|
| 33 | 1 |
0.7%
|
|
| 40 | 1 |
0.7%
|
|
| 50 | 1 |
0.7%
|
|
| 60 | 1 |
0.7%
|
|
| 66 | 1 |
0.7%
|
|
| 82 | 1 |
0.7%
|
|
| 100 | 1 |
0.7%
|
|
| 110 | 1 |
0.7%
|
|
| 115 | 1 |
0.7%
|
|
| 120 | 1 |
0.7%
|
|
| 122 | 1 |
0.7%
|
|
| 128 | 1 |
0.7%
|
|
| 150 | 1 |
0.7%
|
|
| 201 | 1 |
0.7%
|
|
| 400 | 1 |
0.7%
|
|
| 408 | 1 |
0.7%
|
|
| 765 | 1 |
0.7%
|
|
| Sysmiss | 228 |