| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 1 |
2.1%
|
| 0 | 2 |
4.3%
|
|
| 2 | 1 |
2.1%
|
|
| 3 | 2 |
4.3%
|
|
| 5 | 4 |
8.5%
|
|
| 6 | 2 |
4.3%
|
|
| 7 | 2 |
4.3%
|
|
| 10 | 3 |
6.4%
|
|
| 15 | 1 |
2.1%
|
|
| 20 | 2 |
4.3%
|
|
| 24 | 2 |
4.3%
|
|
| 25 | 2 |
4.3%
|
|
| 28 | 2 |
4.3%
|
|
| 30 | 6 |
12.8%
|
|
| 35 | 2 |
4.3%
|
|
| 40 | 3 |
6.4%
|
|
| 42 | 1 |
2.1%
|
|
| 50 | 1 |
2.1%
|
|
| 65 | 1 |
2.1%
|
|
| 90 | 2 |
4.3%
|
|
| 100 | 3 |
6.4%
|
|
| 171 | 1 |
2.1%
|
|
| 180 | 1 |
2.1%
|
|
| Sysmiss | 103 |