| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 13 |
3.6%
|
| 0 | 118 |
32.4%
|
|
| 1 | 1 |
0.3%
|
|
| 5 | 1 |
0.3%
|
|
| 10 | 7 |
1.9%
|
|
| 15 | 2 |
0.5%
|
|
| 20 | 11 |
3%
|
|
| 30 | 18 |
4.9%
|
|
| 40 | 10 |
2.7%
|
|
| 50 | 57 |
15.7%
|
|
| 60 | 11 |
3%
|
|
| 70 | 19 |
5.2%
|
|
| 75 | 1 |
0.3%
|
|
| 80 | 18 |
4.9%
|
|
| 90 | 13 |
3.6%
|
|
| 95 | 1 |
0.3%
|
|
| 99 | 1 |
0.3%
|
|
| 100 | 62 |
17%
|
|
| Sysmiss | 1 |