| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 1 |
0.7%
|
| 0 | 98 |
69.5%
|
|
| 10 | 2 |
1.4%
|
|
| 20 | 3 |
2.1%
|
|
| 30 | 2 |
1.4%
|
|
| 33 | 1 |
0.7%
|
|
| 36 | 1 |
0.7%
|
|
| 40 | 1 |
0.7%
|
|
| 50 | 3 |
2.1%
|
|
| 60 | 4 |
2.8%
|
|
| 68 | 1 |
0.7%
|
|
| 70 | 3 |
2.1%
|
|
| 75 | 2 |
1.4%
|
|
| 80 | 2 |
1.4%
|
|
| 100 | 17 |
12.1%
|
|
| Sysmiss | 101 |