| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 256 |
62%
|
| 2 | 45 |
10.9%
|
|
| 3 | 36 |
8.7%
|
|
| 4 | 10 |
2.4%
|
|
| 5 | 19 |
4.6%
|
|
| 6 | 12 |
2.9%
|
|
| 7 | 3 |
0.7%
|
|
| 8 | 6 |
1.5%
|
|
| 10 | 5 |
1.2%
|
|
| 15 | 3 |
0.7%
|
|
| 16 | 1 |
0.2%
|
|
| 18 | 1 |
0.2%
|
|
| 20 | 1 |
0.2%
|
|
| 24 | 1 |
0.2%
|
|
| 32 | 2 |
0.5%
|
|
| 34 | 1 |
0.2%
|
|
| 40 | 1 |
0.2%
|
|
| 46 | 1 |
0.2%
|
|
| 55 | 1 |
0.2%
|
|
| 60 | 1 |
0.2%
|
|
| 88 | 1 |
0.2%
|
|
| 155 | 1 |
0.2%
|
|
| 198 | 1 |
0.2%
|
|
| 200 | 1 |
0.2%
|
|
| 600 | 2 |
0.5%
|
|
| 680 | 1 |
0.2%
|
|
| Sysmiss | 2542 |