| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 112 |
15.9%
|
| 0 | None | 0 |
0%
|
| 1 | 80 |
11.4%
|
|
| 2 | 55 |
7.8%
|
|
| 3 | 30 |
4.3%
|
|
| 4 | 12 |
1.7%
|
|
| 5 | 109 |
15.5%
|
|
| 6 | 6 |
0.9%
|
|
| 7 | 12 |
1.7%
|
|
| 8 | 9 |
1.3%
|
|
| 9 | 1 |
0.1%
|
|
| 10 | 114 |
16.2%
|
|
| 11 | 1 |
0.1%
|
|
| 12 | 2 |
0.3%
|
|
| 14 | 1 |
0.1%
|
|
| 15 | 34 |
4.8%
|
|
| 20 | 66 |
9.4%
|
|
| 25 | 25 |
3.6%
|
|
| 30 | 26 |
3.7%
|
|
| 40 | 6 |
0.9%
|
|
| 50 | 1 |
0.1%
|
|
| 60 | 1 |
0.1%
|
|
| 75 | 1 |
0.1%
|
|
| Sysmiss | 294 |