| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 16 |
20%
|
| 0 | 3 |
3.8%
|
|
| 1 | 5 |
6.3%
|
|
| 2 | 7 |
8.8%
|
|
| 3 | 7 |
8.8%
|
|
| 4 | 4 |
5%
|
|
| 5 | 4 |
5%
|
|
| 6 | 7 |
8.8%
|
|
| 7 | 4 |
5%
|
|
| 8 | 4 |
5%
|
|
| 10 | 2 |
2.5%
|
|
| 13 | 1 |
1.3%
|
|
| 14 | 1 |
1.3%
|
|
| 15 | 4 |
5%
|
|
| 16 | 2 |
2.5%
|
|
| 17 | 1 |
1.3%
|
|
| 20 | 1 |
1.3%
|
|
| 21 | 1 |
1.3%
|
|
| 39 | 1 |
1.3%
|
|
| 40 | 1 |
1.3%
|
|
| 60 | 1 |
1.3%
|
|
| 64 | 1 |
1.3%
|
|
| 95 | 1 |
1.3%
|
|
| 160 | 1 |
1.3%
|
|
| Sysmiss | 69 |