| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 0 |
0%
|
| 1 | 128 |
39.1%
|
|
| 2 | 94 |
28.7%
|
|
| 3 | 33 |
10.1%
|
|
| 4 | 12 |
3.7%
|
|
| 5 | 13 |
4%
|
|
| 6 | 7 |
2.1%
|
|
| 7 | 3 |
0.9%
|
|
| 10 | 6 |
1.8%
|
|
| 11 | 1 |
0.3%
|
|
| 12 | 17 |
5.2%
|
|
| 13 | 6 |
1.8%
|
|
| 15 | 1 |
0.3%
|
|
| 17 | 1 |
0.3%
|
|
| 20 | 4 |
1.2%
|
|
| 30 | 1 |
0.3%
|
|
| Sysmiss | 36 |