| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 7 |
8.2%
|
| 0 | 19 |
22.4%
|
|
| 1 | 6 |
7.1%
|
|
| 2 | 9 |
10.6%
|
|
| 3 | 11 |
12.9%
|
|
| 4 | 3 |
3.5%
|
|
| 5 | 4 |
4.7%
|
|
| 6 | 3 |
3.5%
|
|
| 7 | 3 |
3.5%
|
|
| 8 | 3 |
3.5%
|
|
| 9 | 2 |
2.4%
|
|
| 10 | 2 |
2.4%
|
|
| 12 | 1 |
1.2%
|
|
| 13 | 1 |
1.2%
|
|
| 15 | 1 |
1.2%
|
|
| 19 | 1 |
1.2%
|
|
| 20 | 1 |
1.2%
|
|
| 25 | 1 |
1.2%
|
|
| 28 | 1 |
1.2%
|
|
| 35 | 1 |
1.2%
|
|
| 39 | 1 |
1.2%
|
|
| 40 | 1 |
1.2%
|
|
| 42 | 1 |
1.2%
|
|
| 52 | 1 |
1.2%
|
|
| 400 | 1 |
1.2%
|
|
| Sysmiss | 275 |