| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 9 |
11.1%
|
| 1 | 1 |
1.2%
|
|
| 2 | 2 |
2.5%
|
|
| 5 | 2 |
2.5%
|
|
| 8 | 1 |
1.2%
|
|
| 10 | 3 |
3.7%
|
|
| 15 | 2 |
2.5%
|
|
| 20 | 7 |
8.6%
|
|
| 25 | 2 |
2.5%
|
|
| 30 | 4 |
4.9%
|
|
| 33 | 2 |
2.5%
|
|
| 35 | 1 |
1.2%
|
|
| 40 | 2 |
2.5%
|
|
| 50 | 11 |
13.6%
|
|
| 51 | 1 |
1.2%
|
|
| 54 | 1 |
1.2%
|
|
| 60 | 1 |
1.2%
|
|
| 65 | 1 |
1.2%
|
|
| 75 | 1 |
1.2%
|
|
| 80 | 1 |
1.2%
|
|
| 100 | 26 |
32.1%
|
|
| Sysmiss | 152 |