| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 2 |
2.2%
|
| 3 | 1 |
1.1%
|
|
| 7 | 1 |
1.1%
|
|
| 10 | 2 |
2.2%
|
|
| 14 | 4 |
4.3%
|
|
| 15 | 2 |
2.2%
|
|
| 20 | 1 |
1.1%
|
|
| 21 | 5 |
5.4%
|
|
| 25 | 1 |
1.1%
|
|
| 28 | 5 |
5.4%
|
|
| 30 | 22 |
23.9%
|
|
| 31 | 1 |
1.1%
|
|
| 32 | 1 |
1.1%
|
|
| 35 | 5 |
5.4%
|
|
| 36 | 1 |
1.1%
|
|
| 37 | 1 |
1.1%
|
|
| 38 | 2 |
2.2%
|
|
| 40 | 4 |
4.3%
|
|
| 44 | 1 |
1.1%
|
|
| 45 | 8 |
8.7%
|
|
| 48 | 4 |
4.3%
|
|
| 55 | 1 |
1.1%
|
|
| 60 | 12 |
13%
|
|
| 61 | 1 |
1.1%
|
|
| 90 | 3 |
3.3%
|
|
| 120 | 1 |
1.1%
|
|
| Sysmiss | 272 |