| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 1 |
0.8%
|
| 1 | 14 |
11.5%
|
|
| 2 | 18 |
14.8%
|
|
| 3 | 10 |
8.2%
|
|
| 4 | 3 |
2.5%
|
|
| 5 | 13 |
10.7%
|
|
| 6 | 10 |
8.2%
|
|
| 7 | 4 |
3.3%
|
|
| 8 | 20 |
16.4%
|
|
| 9 | 10 |
8.2%
|
|
| 10 | 5 |
4.1%
|
|
| 11 | 1 |
0.8%
|
|
| 12 | 4 |
3.3%
|
|
| 14 | 1 |
0.8%
|
|
| 15 | 2 |
1.6%
|
|
| 18 | 1 |
0.8%
|
|
| 24 | 2 |
1.6%
|
|
| 30 | 1 |
0.8%
|
|
| 40 | 1 |
0.8%
|
|
| 45 | 1 |
0.8%
|
|
| Sysmiss | 97 |