| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 8 |
5%
|
| 2 | 1 |
0.6%
|
|
| 4 | 1 |
0.6%
|
|
| 20 | 1 |
0.6%
|
|
| 25 | 2 |
1.3%
|
|
| 30 | 1 |
0.6%
|
|
| 40 | 2 |
1.3%
|
|
| 50 | 4 |
2.5%
|
|
| 60 | 2 |
1.3%
|
|
| 70 | 2 |
1.3%
|
|
| 75 | 1 |
0.6%
|
|
| 80 | 3 |
1.9%
|
|
| 83 | 1 |
0.6%
|
|
| 90 | 9 |
5.7%
|
|
| 95 | 3 |
1.9%
|
|
| 100 | 118 |
74.2%
|
|
| Sysmiss | 56 |