| Value | Category | Cases | |
|---|---|---|---|
| -99 | Don't know | 0 |
0%
|
| -9 | Don't know (spontaneous) | 77 |
36.5%
|
| 1 | 41 |
19.4%
|
|
| 2 | 24 |
11.4%
|
|
| 3 | 15 |
7.1%
|
|
| 4 | 12 |
5.7%
|
|
| 5 | 13 |
6.2%
|
|
| 6 | 4 |
1.9%
|
|
| 7 | 5 |
2.4%
|
|
| 8 | 4 |
1.9%
|
|
| 9 | 2 |
0.9%
|
|
| 10 | 3 |
1.4%
|
|
| 12 | 2 |
0.9%
|
|
| 15 | 2 |
0.9%
|
|
| 20 | 3 |
1.4%
|
|
| 24 | 1 |
0.5%
|
|
| 35 | 1 |
0.5%
|
|
| 50 | 1 |
0.5%
|
|
| 55 | 1 |
0.5%
|
|
| Sysmiss | 1158 |