| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 38 |
16.5%
|
| 0 | 55 |
23.8%
|
|
| 1 | 11 |
4.8%
|
|
| 2 | 14 |
6.1%
|
|
| 3 | 13 |
5.6%
|
|
| 4 | 6 |
2.6%
|
|
| 5 | 11 |
4.8%
|
|
| 6 | 3 |
1.3%
|
|
| 7 | 2 |
0.9%
|
|
| 8 | 10 |
4.3%
|
|
| 9 | 4 |
1.7%
|
|
| 10 | 14 |
6.1%
|
|
| 11 | 3 |
1.3%
|
|
| 12 | 3 |
1.3%
|
|
| 13 | 3 |
1.3%
|
|
| 14 | 2 |
0.9%
|
|
| 15 | 7 |
3%
|
|
| 18 | 2 |
0.9%
|
|
| 19 | 1 |
0.4%
|
|
| 20 | 4 |
1.7%
|
|
| 21 | 1 |
0.4%
|
|
| 22 | 2 |
0.9%
|
|
| 25 | 1 |
0.4%
|
|
| 26 | 1 |
0.4%
|
|
| 28 | 1 |
0.4%
|
|
| 30 | 3 |
1.3%
|
|
| 40 | 2 |
0.9%
|
|
| 50 | 2 |
0.9%
|
|
| 54 | 1 |
0.4%
|
|
| 56 | 1 |
0.4%
|
|
| 70 | 4 |
1.7%
|
|
| 97 | 1 |
0.4%
|
|
| 100 | 1 |
0.4%
|
|
| 130 | 1 |
0.4%
|
|
| 165 | 1 |
0.4%
|
|
| 211 | 1 |
0.4%
|
|
| 510 | 1 |
0.4%
|
|
| Sysmiss | 482 |