| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 13 |
2.8%
|
| 0 | 66 |
14.3%
|
|
| 1 | 65 |
14.1%
|
|
| 2 | 54 |
11.7%
|
|
| 3 | 34 |
7.4%
|
|
| 4 | 22 |
4.8%
|
|
| 5 | 54 |
11.7%
|
|
| 6 | 6 |
1.3%
|
|
| 7 | 2 |
0.4%
|
|
| 8 | 11 |
2.4%
|
|
| 9 | 3 |
0.7%
|
|
| 10 | 40 |
8.7%
|
|
| 12 | 1 |
0.2%
|
|
| 15 | 14 |
3%
|
|
| 18 | 4 |
0.9%
|
|
| 20 | 20 |
4.3%
|
|
| 22 | 2 |
0.4%
|
|
| 23 | 2 |
0.4%
|
|
| 25 | 9 |
2%
|
|
| 26 | 1 |
0.2%
|
|
| 28 | 2 |
0.4%
|
|
| 29 | 1 |
0.2%
|
|
| 30 | 13 |
2.8%
|
|
| 33 | 1 |
0.2%
|
|
| 35 | 4 |
0.9%
|
|
| 38 | 1 |
0.2%
|
|
| 40 | 1 |
0.2%
|
|
| 42 | 1 |
0.2%
|
|
| 50 | 5 |
1.1%
|
|
| 70 | 1 |
0.2%
|
|
| 80 | 1 |
0.2%
|
|
| 90 | 1 |
0.2%
|
|
| 100 | 4 |
0.9%
|
|
| 150 | 1 |
0.2%
|
|
| 180 | 1 |
0.2%
|
|
| Sysmiss | 299 |