| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 5 |
5.4%
|
| 0 | 22 |
23.9%
|
|
| 1 | 8 |
8.7%
|
|
| 2 | 12 |
13%
|
|
| 3 | 5 |
5.4%
|
|
| 4 | 4 |
4.3%
|
|
| 5 | 3 |
3.3%
|
|
| 6 | 5 |
5.4%
|
|
| 7 | 4 |
4.3%
|
|
| 8 | 2 |
2.2%
|
|
| 9 | 3 |
3.3%
|
|
| 10 | 1 |
1.1%
|
|
| 13 | 1 |
1.1%
|
|
| 14 | 1 |
1.1%
|
|
| 15 | 2 |
2.2%
|
|
| 16 | 2 |
2.2%
|
|
| 18 | 1 |
1.1%
|
|
| 20 | 1 |
1.1%
|
|
| 22 | 1 |
1.1%
|
|
| 24 | 1 |
1.1%
|
|
| 30 | 1 |
1.1%
|
|
| 35 | 1 |
1.1%
|
|
| 39 | 1 |
1.1%
|
|
| 40 | 1 |
1.1%
|
|
| 41 | 1 |
1.1%
|
|
| 42 | 1 |
1.1%
|
|
| 100 | 1 |
1.1%
|
|
| 105 | 1 |
1.1%
|
|
| Sysmiss | 506 |