| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 48 |
16.3%
|
| 1 | 60 |
20.3%
|
|
| 2 | 30 |
10.2%
|
|
| 3 | 28 |
9.5%
|
|
| 4 | 6 |
2%
|
|
| 5 | 14 |
4.7%
|
|
| 6 | 1 |
0.3%
|
|
| 7 | 44 |
14.9%
|
|
| 8 | 1 |
0.3%
|
|
| 9 | 1 |
0.3%
|
|
| 10 | 10 |
3.4%
|
|
| 14 | 4 |
1.4%
|
|
| 15 | 17 |
5.8%
|
|
| 20 | 3 |
1%
|
|
| 21 | 2 |
0.7%
|
|
| 25 | 1 |
0.3%
|
|
| 30 | 15 |
5.1%
|
|
| 40 | 1 |
0.3%
|
|
| 45 | 2 |
0.7%
|
|
| 60 | 3 |
1%
|
|
| 90 | 3 |
1%
|
|
| 120 | 1 |
0.3%
|
|
| Sysmiss | 1121 |