| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 6 |
4.3%
|
| 1 | 1 |
0.7%
|
|
| 2 | 13 |
9.2%
|
|
| 3 | 13 |
9.2%
|
|
| 4 | 10 |
7.1%
|
|
| 5 | 24 |
17%
|
|
| 6 | 7 |
5%
|
|
| 7 | 3 |
2.1%
|
|
| 8 | 3 |
2.1%
|
|
| 9 | 6 |
4.3%
|
|
| 10 | 15 |
10.6%
|
|
| 11 | 1 |
0.7%
|
|
| 12 | 3 |
2.1%
|
|
| 14 | 1 |
0.7%
|
|
| 15 | 13 |
9.2%
|
|
| 16 | 1 |
0.7%
|
|
| 18 | 3 |
2.1%
|
|
| 20 | 5 |
3.5%
|
|
| 21 | 1 |
0.7%
|
|
| 25 | 5 |
3.5%
|
|
| 30 | 3 |
2.1%
|
|
| 32 | 1 |
0.7%
|
|
| 40 | 1 |
0.7%
|
|
| 60 | 1 |
0.7%
|
|
| 69 | 1 |
0.7%
|
|
| Sysmiss | 21 |