| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 0 |
0%
|
| 2 | 40 |
37.7%
|
|
| 3 | 22 |
20.8%
|
|
| 4 | 10 |
9.4%
|
|
| 5 | 8 |
7.5%
|
|
| 6 | 5 |
4.7%
|
|
| 7 | 2 |
1.9%
|
|
| 8 | 1 |
0.9%
|
|
| 12 | 3 |
2.8%
|
|
| 15 | 2 |
1.9%
|
|
| 23 | 1 |
0.9%
|
|
| 28 | 1 |
0.9%
|
|
| 40 | 2 |
1.9%
|
|
| 42 | 1 |
0.9%
|
|
| 45 | 1 |
0.9%
|
|
| 50 | 1 |
0.9%
|
|
| 100 | 1 |
0.9%
|
|
| 108 | 1 |
0.9%
|
|
| 132 | 1 |
0.9%
|
|
| 170 | 1 |
0.9%
|
|
| 180 | 1 |
0.9%
|
|
| 400 | 1 |
0.9%
|
|
| Sysmiss | 252 |