| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 10 |
1.9%
|
| 0 | 96 |
18.4%
|
|
| 1 | 9 |
1.7%
|
|
| 2 | 14 |
2.7%
|
|
| 3 | 6 |
1.2%
|
|
| 5 | 44 |
8.4%
|
|
| 8 | 1 |
0.2%
|
|
| 10 | 50 |
9.6%
|
|
| 12 | 1 |
0.2%
|
|
| 13 | 1 |
0.2%
|
|
| 15 | 14 |
2.7%
|
|
| 20 | 23 |
4.4%
|
|
| 25 | 10 |
1.9%
|
|
| 30 | 29 |
5.6%
|
|
| 40 | 8 |
1.5%
|
|
| 45 | 2 |
0.4%
|
|
| 50 | 28 |
5.4%
|
|
| 60 | 4 |
0.8%
|
|
| 70 | 13 |
2.5%
|
|
| 75 | 2 |
0.4%
|
|
| 80 | 29 |
5.6%
|
|
| 85 | 1 |
0.2%
|
|
| 90 | 3 |
0.6%
|
|
| 100 | 123 |
23.6%
|
|
| Sysmiss | 503 |