| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 2 |
1.5%
|
| -4 | Too many to count | 72 |
53.7%
|
| 0 | 1 |
0.7%
|
|
| 1 | 1 |
0.7%
|
|
| 2 | 2 |
1.5%
|
|
| 3 | 10 |
7.5%
|
|
| 4 | 5 |
3.7%
|
|
| 5 | 22 |
16.4%
|
|
| 6 | 5 |
3.7%
|
|
| 8 | 1 |
0.7%
|
|
| 10 | 9 |
6.7%
|
|
| 12 | 1 |
0.7%
|
|
| 20 | 1 |
0.7%
|
|
| 360 | 1 |
0.7%
|
|
| 500 | 1 |
0.7%
|
|
| Sysmiss | 16 |