| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 4 |
1.3%
|
| 0 | 106 |
34.5%
|
|
| 1 | 42 |
13.7%
|
|
| 2 | 41 |
13.4%
|
|
| 3 | 34 |
11.1%
|
|
| 4 | 17 |
5.5%
|
|
| 5 | 6 |
2%
|
|
| 6 | 18 |
5.9%
|
|
| 7 | 1 |
0.3%
|
|
| 8 | 17 |
5.5%
|
|
| 9 | 1 |
0.3%
|
|
| 10 | 1 |
0.3%
|
|
| 12 | 5 |
1.6%
|
|
| 18 | 2 |
0.7%
|
|
| 20 | 1 |
0.3%
|
|
| 23 | 1 |
0.3%
|
|
| 24 | 7 |
2.3%
|
|
| 50 | 1 |
0.3%
|
|
| 72 | 1 |
0.3%
|
|
| 180 | 1 |
0.3%
|
|
| Sysmiss | 612 |