| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 1 |
1%
|
| 0 | 2 |
2%
|
|
| 1 | 1 |
1%
|
|
| 10 | 2 |
2%
|
|
| 30 | 1 |
1%
|
|
| 40 | 3 |
2.9%
|
|
| 49 | 1 |
1%
|
|
| 50 | 9 |
8.8%
|
|
| 51 | 1 |
1%
|
|
| 60 | 2 |
2%
|
|
| 66 | 2 |
2%
|
|
| 67 | 1 |
1%
|
|
| 70 | 2 |
2%
|
|
| 74 | 1 |
1%
|
|
| 75 | 2 |
2%
|
|
| 80 | 1 |
1%
|
|
| 90 | 1 |
1%
|
|
| 100 | 69 |
67.6%
|
|
| Sysmiss | 1221 |