| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 2 |
1.2%
|
| -7 | Does not apply (spontaneous) | 29 |
16.9%
|
| 0 | 15 |
8.7%
|
|
| 1 | 1 |
0.6%
|
|
| 2 | 1 |
0.6%
|
|
| 5 | 2 |
1.2%
|
|
| 8 | 1 |
0.6%
|
|
| 10 | 1 |
0.6%
|
|
| 15 | 1 |
0.6%
|
|
| 20 | 1 |
0.6%
|
|
| 30 | 1 |
0.6%
|
|
| 36 | 1 |
0.6%
|
|
| 50 | 4 |
2.3%
|
|
| 55 | 1 |
0.6%
|
|
| 60 | 2 |
1.2%
|
|
| 75 | 1 |
0.6%
|
|
| 90 | 1 |
0.6%
|
|
| 100 | 107 |
62.2%
|
|
| Sysmiss | 257 |