| Value | Category | Cases | |
|---|---|---|---|
| -99 | Don't know | 0 |
0%
|
| -9 | Don't know (spontaneous) | 1 |
1.6%
|
| 0 | 1 |
1.6%
|
|
| 10 | 1 |
1.6%
|
|
| 20 | 1 |
1.6%
|
|
| 30 | 1 |
1.6%
|
|
| 40 | 2 |
3.2%
|
|
| 45 | 1 |
1.6%
|
|
| 50 | 6 |
9.5%
|
|
| 55 | 1 |
1.6%
|
|
| 65 | 1 |
1.6%
|
|
| 70 | 10 |
15.9%
|
|
| 75 | 2 |
3.2%
|
|
| 80 | 6 |
9.5%
|
|
| 85 | 5 |
7.9%
|
|
| 90 | 10 |
15.9%
|
|
| 100 | 14 |
22.2%
|
|
| Sysmiss | 177 |