| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 59 |
6%
|
| 1 | 401 |
41.1%
|
|
| 2 | 213 |
21.8%
|
|
| 3 | 80 |
8.2%
|
|
| 4 | 96 |
9.8%
|
|
| 5 | 22 |
2.3%
|
|
| 6 | 20 |
2%
|
|
| 7 | 4 |
0.4%
|
|
| 8 | 10 |
1%
|
|
| 9 | 16 |
1.6%
|
|
| 10 | 19 |
1.9%
|
|
| 11 | 4 |
0.4%
|
|
| 12 | 11 |
1.1%
|
|
| 13 | 4 |
0.4%
|
|
| 14 | 3 |
0.3%
|
|
| 16 | 1 |
0.1%
|
|
| 19 | 1 |
0.1%
|
|
| 20 | 3 |
0.3%
|
|
| 23 | 1 |
0.1%
|
|
| 24 | 1 |
0.1%
|
|
| 27 | 1 |
0.1%
|
|
| 30 | 2 |
0.2%
|
|
| 36 | 1 |
0.1%
|
|
| 60 | 1 |
0.1%
|
|
| 192 | 1 |
0.1%
|
|
| 240 | 1 |
0.1%
|
|
| Sysmiss | 597 |