| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 0 |
0%
|
| 0 | 5 |
5.6%
|
|
| 1 | 21 |
23.6%
|
|
| 2 | 11 |
12.4%
|
|
| 3 | 11 |
12.4%
|
|
| 4 | 3 |
3.4%
|
|
| 5 | 12 |
13.5%
|
|
| 6 | 6 |
6.7%
|
|
| 7 | 1 |
1.1%
|
|
| 8 | 2 |
2.2%
|
|
| 9 | 1 |
1.1%
|
|
| 10 | 5 |
5.6%
|
|
| 15 | 1 |
1.1%
|
|
| 20 | 1 |
1.1%
|
|
| 22 | 1 |
1.1%
|
|
| 25 | 1 |
1.1%
|
|
| 30 | 1 |
1.1%
|
|
| 35 | 1 |
1.1%
|
|
| 40 | 1 |
1.1%
|
|
| 46 | 1 |
1.1%
|
|
| 51 | 1 |
1.1%
|
|
| 80 | 1 |
1.1%
|
|
| 224 | 1 |
1.1%
|
|
| Sysmiss | 84 |