| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 0 |
0%
|
| 2 | 24 |
26.7%
|
|
| 3 | 22 |
24.4%
|
|
| 4 | 11 |
12.2%
|
|
| 5 | 9 |
10%
|
|
| 6 | 2 |
2.2%
|
|
| 7 | 5 |
5.6%
|
|
| 8 | 3 |
3.3%
|
|
| 9 | 3 |
3.3%
|
|
| 10 | 3 |
3.3%
|
|
| 19 | 1 |
1.1%
|
|
| 20 | 1 |
1.1%
|
|
| 25 | 1 |
1.1%
|
|
| 28 | 1 |
1.1%
|
|
| 35 | 2 |
2.2%
|
|
| 56 | 1 |
1.1%
|
|
| 300 | 1 |
1.1%
|
|
| Sysmiss | 522 |