| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 0 |
0%
|
| 0 | 22 |
8.8%
|
|
| 1 | 80 |
31.9%
|
|
| 2 | 57 |
22.7%
|
|
| 3 | 30 |
12%
|
|
| 4 | 18 |
7.2%
|
|
| 5 | 15 |
6%
|
|
| 6 | 7 |
2.8%
|
|
| 7 | 1 |
0.4%
|
|
| 8 | 2 |
0.8%
|
|
| 9 | 2 |
0.8%
|
|
| 10 | 3 |
1.2%
|
|
| 12 | 2 |
0.8%
|
|
| 15 | 1 |
0.4%
|
|
| 24 | 1 |
0.4%
|
|
| 30 | 9 |
3.6%
|
|
| 45 | 1 |
0.4%
|
|
| Sysmiss | 361 |