| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 1 |
3.3%
|
| 6 | 2 |
6.7%
|
|
| 8 | 1 |
3.3%
|
|
| 9 | 1 |
3.3%
|
|
| 10 | 1 |
3.3%
|
|
| 13 | 1 |
3.3%
|
|
| 14 | 1 |
3.3%
|
|
| 16 | 1 |
3.3%
|
|
| 18 | 1 |
3.3%
|
|
| 25 | 1 |
3.3%
|
|
| 29 | 1 |
3.3%
|
|
| 33 | 1 |
3.3%
|
|
| 35 | 1 |
3.3%
|
|
| 39 | 1 |
3.3%
|
|
| 40 | 2 |
6.7%
|
|
| 50 | 3 |
10%
|
|
| 60 | 1 |
3.3%
|
|
| 63 | 1 |
3.3%
|
|
| 85 | 1 |
3.3%
|
|
| 120 | 1 |
3.3%
|
|
| 157 | 1 |
3.3%
|
|
| 340 | 1 |
3.3%
|
|
| 800 | 1 |
3.3%
|
|
| 820 | 1 |
3.3%
|
|
| 822 | 1 |
3.3%
|
|
| 914 | 1 |
3.3%
|
|
| Sysmiss | 568 |