| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 50 |
16.9%
|
| 0 | 14 |
4.7%
|
|
| 1 | 44 |
14.9%
|
|
| 2 | 20 |
6.8%
|
|
| 3 | 20 |
6.8%
|
|
| 4 | 14 |
4.7%
|
|
| 5 | 37 |
12.5%
|
|
| 6 | 2 |
0.7%
|
|
| 7 | 3 |
1%
|
|
| 8 | 13 |
4.4%
|
|
| 9 | 2 |
0.7%
|
|
| 10 | 32 |
10.8%
|
|
| 11 | 1 |
0.3%
|
|
| 12 | 3 |
1%
|
|
| 13 | 2 |
0.7%
|
|
| 14 | 1 |
0.3%
|
|
| 15 | 10 |
3.4%
|
|
| 17 | 1 |
0.3%
|
|
| 18 | 1 |
0.3%
|
|
| 20 | 9 |
3%
|
|
| 25 | 2 |
0.7%
|
|
| 30 | 6 |
2%
|
|
| 40 | 2 |
0.7%
|
|
| 50 | 3 |
1%
|
|
| 60 | 3 |
1%
|
|
| 80 | 1 |
0.3%
|
|
| Sysmiss | 316 |