| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 0 |
0%
|
| 0 | 1 |
1%
|
|
| 1 | 16 |
16.2%
|
|
| 2 | 8 |
8.1%
|
|
| 3 | 6 |
6.1%
|
|
| 4 | 10 |
10.1%
|
|
| 5 | 9 |
9.1%
|
|
| 6 | 13 |
13.1%
|
|
| 7 | 8 |
8.1%
|
|
| 8 | 21 |
21.2%
|
|
| 9 | 2 |
2%
|
|
| 10 | 1 |
1%
|
|
| 12 | 1 |
1%
|
|
| 20 | 1 |
1%
|
|
| 30 | 1 |
1%
|
|
| 60 | 1 |
1%
|
|
| Sysmiss | 52 |