| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 12 |
12.1%
|
| 3 | 1 |
1%
|
|
| 5 | 1 |
1%
|
|
| 10 | 4 |
4%
|
|
| 13 | 1 |
1%
|
|
| 15 | 1 |
1%
|
|
| 20 | 5 |
5.1%
|
|
| 21 | 1 |
1%
|
|
| 24 | 2 |
2%
|
|
| 25 | 1 |
1%
|
|
| 30 | 2 |
2%
|
|
| 33 | 3 |
3%
|
|
| 40 | 2 |
2%
|
|
| 45 | 1 |
1%
|
|
| 49 | 1 |
1%
|
|
| 50 | 17 |
17.2%
|
|
| 51 | 1 |
1%
|
|
| 53 | 1 |
1%
|
|
| 67 | 1 |
1%
|
|
| 69 | 1 |
1%
|
|
| 70 | 1 |
1%
|
|
| 80 | 3 |
3%
|
|
| 100 | 36 |
36.4%
|
|
| Sysmiss | 263 |