| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 0 |
0%
|
| 7 | 2 |
5.7%
|
|
| 9 | 1 |
2.9%
|
|
| 12 | 1 |
2.9%
|
|
| 13 | 1 |
2.9%
|
|
| 15 | 4 |
11.4%
|
|
| 17 | 1 |
2.9%
|
|
| 18 | 1 |
2.9%
|
|
| 20 | 1 |
2.9%
|
|
| 22 | 3 |
8.6%
|
|
| 25 | 1 |
2.9%
|
|
| 32 | 1 |
2.9%
|
|
| 33 | 1 |
2.9%
|
|
| 34 | 1 |
2.9%
|
|
| 36 | 2 |
5.7%
|
|
| 38 | 1 |
2.9%
|
|
| 39 | 1 |
2.9%
|
|
| 42 | 1 |
2.9%
|
|
| 62 | 1 |
2.9%
|
|
| 64 | 3 |
8.6%
|
|
| 69 | 1 |
2.9%
|
|
| 70 | 1 |
2.9%
|
|
| 80 | 1 |
2.9%
|
|
| 100 | 1 |
2.9%
|
|
| 119 | 1 |
2.9%
|
|
| 130 | 1 |
2.9%
|
|
| 256 | 1 |
2.9%
|
|
| Sysmiss | 568 |