| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 7 |
9.6%
|
| 0 | 12 |
16.4%
|
|
| 1 | 2 |
2.7%
|
|
| 2 | 7 |
9.6%
|
|
| 3 | 8 |
11%
|
|
| 4 | 6 |
8.2%
|
|
| 5 | 2 |
2.7%
|
|
| 6 | 2 |
2.7%
|
|
| 7 | 3 |
4.1%
|
|
| 8 | 2 |
2.7%
|
|
| 9 | 2 |
2.7%
|
|
| 10 | 2 |
2.7%
|
|
| 11 | 1 |
1.4%
|
|
| 12 | 1 |
1.4%
|
|
| 15 | 1 |
1.4%
|
|
| 20 | 1 |
1.4%
|
|
| 22 | 1 |
1.4%
|
|
| 28 | 1 |
1.4%
|
|
| 30 | 2 |
2.7%
|
|
| 34 | 1 |
1.4%
|
|
| 35 | 2 |
2.7%
|
|
| 45 | 1 |
1.4%
|
|
| 46 | 1 |
1.4%
|
|
| 84 | 1 |
1.4%
|
|
| 86 | 1 |
1.4%
|
|
| 330 | 1 |
1.4%
|
|
| 450 | 1 |
1.4%
|
|
| 540 | 1 |
1.4%
|
|
| Sysmiss | 234 |