| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 0 |
0%
|
| 0 | 58 |
39.2%
|
|
| 1 | 15 |
10.1%
|
|
| 2 | 28 |
18.9%
|
|
| 3 | 12 |
8.1%
|
|
| 4 | 11 |
7.4%
|
|
| 5 | 7 |
4.7%
|
|
| 6 | 1 |
0.7%
|
|
| 7 | 1 |
0.7%
|
|
| 8 | 2 |
1.4%
|
|
| 9 | 2 |
1.4%
|
|
| 10 | 3 |
2%
|
|
| 11 | 2 |
1.4%
|
|
| 13 | 1 |
0.7%
|
|
| 14 | 1 |
0.7%
|
|
| 15 | 1 |
0.7%
|
|
| 20 | 1 |
0.7%
|
|
| 30 | 1 |
0.7%
|
|
| 50 | 1 |
0.7%
|
|
| Sysmiss | 467 |