| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 4 |
3.3%
|
| 0 | 17 |
14.2%
|
|
| 1 | 6 |
5%
|
|
| 2 | 21 |
17.5%
|
|
| 3 | 12 |
10%
|
|
| 4 | 11 |
9.2%
|
|
| 5 | 9 |
7.5%
|
|
| 6 | 6 |
5%
|
|
| 7 | 1 |
0.8%
|
|
| 8 | 5 |
4.2%
|
|
| 10 | 7 |
5.8%
|
|
| 12 | 1 |
0.8%
|
|
| 13 | 1 |
0.8%
|
|
| 14 | 1 |
0.8%
|
|
| 15 | 2 |
1.7%
|
|
| 16 | 1 |
0.8%
|
|
| 17 | 3 |
2.5%
|
|
| 20 | 3 |
2.5%
|
|
| 25 | 1 |
0.8%
|
|
| 34 | 2 |
1.7%
|
|
| 35 | 1 |
0.8%
|
|
| 40 | 2 |
1.7%
|
|
| 50 | 1 |
0.8%
|
|
| 100 | 2 |
1.7%
|
|
| Sysmiss | 234 |