| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 18 |
4.9%
|
| 0 | 202 |
55.5%
|
|
| 1 | 1 |
0.3%
|
|
| 5 | 1 |
0.3%
|
|
| 9 | 1 |
0.3%
|
|
| 10 | 11 |
3%
|
|
| 15 | 1 |
0.3%
|
|
| 20 | 14 |
3.8%
|
|
| 25 | 1 |
0.3%
|
|
| 30 | 18 |
4.9%
|
|
| 40 | 11 |
3%
|
|
| 50 | 25 |
6.9%
|
|
| 60 | 16 |
4.4%
|
|
| 65 | 1 |
0.3%
|
|
| 70 | 12 |
3.3%
|
|
| 80 | 9 |
2.5%
|
|
| 90 | 7 |
1.9%
|
|
| 95 | 1 |
0.3%
|
|
| 97 | 1 |
0.3%
|
|
| 98 | 1 |
0.3%
|
|
| 99 | 1 |
0.3%
|
|
| 100 | 11 |
3%
|
|
| Sysmiss | 1 |