| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 30 |
9.7%
|
| 0 | 2 |
0.6%
|
|
| 1 | 114 |
37%
|
|
| 2 | 59 |
19.2%
|
|
| 3 | 22 |
7.1%
|
|
| 4 | 22 |
7.1%
|
|
| 5 | 18 |
5.8%
|
|
| 6 | 11 |
3.6%
|
|
| 7 | 2 |
0.6%
|
|
| 8 | 1 |
0.3%
|
|
| 10 | 8 |
2.6%
|
|
| 12 | 9 |
2.9%
|
|
| 13 | 1 |
0.3%
|
|
| 15 | 1 |
0.3%
|
|
| 20 | 4 |
1.3%
|
|
| 24 | 2 |
0.6%
|
|
| 36 | 1 |
0.3%
|
|
| 60 | 1 |
0.3%
|
|
| Sysmiss | 1138 |