| Value | Category | Cases | |
|---|---|---|---|
| -99 | Don't know | 0 |
0%
|
| -9 | Don't know (spontaneous) | 18 |
22.8%
|
| 0 | 1 |
1.3%
|
|
| 20 | 1 |
1.3%
|
|
| 30 | 2 |
2.5%
|
|
| 40 | 1 |
1.3%
|
|
| 50 | 4 |
5.1%
|
|
| 55 | 1 |
1.3%
|
|
| 60 | 5 |
6.3%
|
|
| 70 | 5 |
6.3%
|
|
| 75 | 2 |
2.5%
|
|
| 80 | 11 |
13.9%
|
|
| 85 | 2 |
2.5%
|
|
| 90 | 2 |
2.5%
|
|
| 95 | 1 |
1.3%
|
|
| 100 | 23 |
29.1%
|
|
| Sysmiss | 279 |