| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 0 |
0%
|
| 2 | 22 |
39.3%
|
|
| 3 | 11 |
19.6%
|
|
| 4 | 4 |
7.1%
|
|
| 5 | 2 |
3.6%
|
|
| 6 | 1 |
1.8%
|
|
| 7 | 2 |
3.6%
|
|
| 8 | 1 |
1.8%
|
|
| 12 | 2 |
3.6%
|
|
| 13 | 1 |
1.8%
|
|
| 14 | 1 |
1.8%
|
|
| 15 | 2 |
3.6%
|
|
| 17 | 1 |
1.8%
|
|
| 20 | 1 |
1.8%
|
|
| 23 | 1 |
1.8%
|
|
| 42 | 1 |
1.8%
|
|
| 50 | 1 |
1.8%
|
|
| 79 | 1 |
1.8%
|
|
| 160 | 1 |
1.8%
|
|
| Sysmiss | 236 |