| Value | Category | Cases | |
|---|---|---|---|
| -99 | Don't know | 0 |
0%
|
| -9 | Don't know (spontaneous) | 0 |
0%
|
| 1 | 9 |
3.7%
|
|
| 2 | 24 |
9.8%
|
|
| 3 | 21 |
8.6%
|
|
| 4 | 38 |
15.6%
|
|
| 5 | 9 |
3.7%
|
|
| 6 | 39 |
16%
|
|
| 7 | 9 |
3.7%
|
|
| 8 | 49 |
20.1%
|
|
| 9 | 19 |
7.8%
|
|
| 10 | 10 |
4.1%
|
|
| 11 | 1 |
0.4%
|
|
| 12 | 11 |
4.5%
|
|
| 13 | 1 |
0.4%
|
|
| 14 | 2 |
0.8%
|
|
| 15 | 2 |
0.8%
|
|
| Sysmiss | 516 |