| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 7 |
1.8%
|
| 1 | 3 |
0.8%
|
|
| 2 | 12 |
3%
|
|
| 3 | 22 |
5.6%
|
|
| 4 | 5 |
1.3%
|
|
| 5 | 71 |
18%
|
|
| 6 | 7 |
1.8%
|
|
| 7 | 12 |
3%
|
|
| 8 | 11 |
2.8%
|
|
| 9 | 4 |
1%
|
|
| 10 | 106 |
26.9%
|
|
| 11 | 2 |
0.5%
|
|
| 12 | 3 |
0.8%
|
|
| 13 | 3 |
0.8%
|
|
| 15 | 47 |
11.9%
|
|
| 17 | 1 |
0.3%
|
|
| 20 | 32 |
8.1%
|
|
| 25 | 6 |
1.5%
|
|
| 28 | 1 |
0.3%
|
|
| 30 | 20 |
5.1%
|
|
| 32 | 1 |
0.3%
|
|
| 35 | 2 |
0.5%
|
|
| 40 | 5 |
1.3%
|
|
| 50 | 6 |
1.5%
|
|
| 60 | 2 |
0.5%
|
|
| 80 | 1 |
0.3%
|
|
| 100 | 1 |
0.3%
|
|
| 1000 | 1 |
0.3%
|
|
| Sysmiss | 806 |