| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 0 |
0%
|
| 0 | 7 |
7.1%
|
|
| 30 | 2 |
2%
|
|
| 40 | 2 |
2%
|
|
| 50 | 8 |
8.2%
|
|
| 60 | 1 |
1%
|
|
| 69 | 1 |
1%
|
|
| 70 | 2 |
2%
|
|
| 90 | 1 |
1%
|
|
| 100 | 74 |
75.5%
|
|
| Sysmiss | 213 |