| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 37 |
28.7%
|
| 1 | 16 |
12.4%
|
|
| 2 | 10 |
7.8%
|
|
| 3 | 10 |
7.8%
|
|
| 4 | 4 |
3.1%
|
|
| 5 | 13 |
10.1%
|
|
| 7 | 6 |
4.7%
|
|
| 8 | 4 |
3.1%
|
|
| 10 | 7 |
5.4%
|
|
| 12 | 3 |
2.3%
|
|
| 13 | 1 |
0.8%
|
|
| 14 | 1 |
0.8%
|
|
| 15 | 2 |
1.6%
|
|
| 18 | 1 |
0.8%
|
|
| 20 | 2 |
1.6%
|
|
| 33 | 1 |
0.8%
|
|
| 35 | 1 |
0.8%
|
|
| 40 | 1 |
0.8%
|
|
| 60 | 1 |
0.8%
|
|
| 70 | 2 |
1.6%
|
|
| 80 | 1 |
0.8%
|
|
| 82 | 1 |
0.8%
|
|
| 95 | 1 |
0.8%
|
|
| 100 | 3 |
2.3%
|
|
| Sysmiss | 858 |