| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 7 |
4.6%
|
| 10 | 4 |
2.6%
|
|
| 15 | 2 |
1.3%
|
|
| 20 | 1 |
0.7%
|
|
| 25 | 1 |
0.7%
|
|
| 30 | 9 |
5.9%
|
|
| 35 | 1 |
0.7%
|
|
| 40 | 2 |
1.3%
|
|
| 50 | 16 |
10.5%
|
|
| 55 | 1 |
0.7%
|
|
| 60 | 15 |
9.9%
|
|
| 70 | 23 |
15.1%
|
|
| 75 | 2 |
1.3%
|
|
| 76 | 1 |
0.7%
|
|
| 80 | 25 |
16.4%
|
|
| 85 | 2 |
1.3%
|
|
| 90 | 19 |
12.5%
|
|
| 95 | 1 |
0.7%
|
|
| 98 | 1 |
0.7%
|
|
| 100 | 19 |
12.5%
|
|
| Sysmiss | 202 |