| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 0 |
0%
|
| -4 | Too many to count | 19 |
13%
|
| 0 | 14 |
9.6%
|
|
| 1 | 24 |
16.4%
|
|
| 2 | 23 |
15.8%
|
|
| 3 | 24 |
16.4%
|
|
| 4 | 18 |
12.3%
|
|
| 5 | 16 |
11%
|
|
| 6 | 6 |
4.1%
|
|
| 8 | 1 |
0.7%
|
|
| 10 | 1 |
0.7%
|
|
| Sysmiss | 4 |