| Value | Category | Cases | |
|---|---|---|---|
| -99 | Don't know | 0 |
0%
|
| -9 | Don't know (spontaneous) | 99 |
37.5%
|
| 1 | 71 |
26.9%
|
|
| 2 | 30 |
11.4%
|
|
| 3 | 13 |
4.9%
|
|
| 4 | 5 |
1.9%
|
|
| 5 | 15 |
5.7%
|
|
| 6 | 4 |
1.5%
|
|
| 7 | 1 |
0.4%
|
|
| 8 | 4 |
1.5%
|
|
| 9 | 2 |
0.8%
|
|
| 10 | 4 |
1.5%
|
|
| 11 | 1 |
0.4%
|
|
| 15 | 2 |
0.8%
|
|
| 18 | 1 |
0.4%
|
|
| 20 | 2 |
0.8%
|
|
| 25 | 1 |
0.4%
|
|
| 30 | 4 |
1.5%
|
|
| 33 | 1 |
0.4%
|
|
| 40 | 1 |
0.4%
|
|
| 45 | 1 |
0.4%
|
|
| 90 | 1 |
0.4%
|
|
| 100 | 1 |
0.4%
|
|
| Sysmiss | 1105 |