| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 2 |
1.1%
|
| 0 | 29 |
16.2%
|
|
| 5 | 1 |
0.6%
|
|
| 10 | 3 |
1.7%
|
|
| 13 | 1 |
0.6%
|
|
| 20 | 9 |
5%
|
|
| 25 | 1 |
0.6%
|
|
| 30 | 3 |
1.7%
|
|
| 33 | 1 |
0.6%
|
|
| 40 | 10 |
5.6%
|
|
| 50 | 19 |
10.6%
|
|
| 60 | 6 |
3.4%
|
|
| 70 | 5 |
2.8%
|
|
| 75 | 2 |
1.1%
|
|
| 80 | 6 |
3.4%
|
|
| 84 | 1 |
0.6%
|
|
| 90 | 1 |
0.6%
|
|
| 95 | 1 |
0.6%
|
|
| 100 | 78 |
43.6%
|
|
| Sysmiss | 199 |