| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 0 |
0%
|
| 0 | 16 |
9.9%
|
|
| 1 | 16 |
9.9%
|
|
| 2 | 10 |
6.2%
|
|
| 3 | 4 |
2.5%
|
|
| 4 | 1 |
0.6%
|
|
| 5 | 7 |
4.3%
|
|
| 6 | 4 |
2.5%
|
|
| 8 | 6 |
3.7%
|
|
| 10 | 6 |
3.7%
|
|
| 15 | 16 |
9.9%
|
|
| 16 | 2 |
1.2%
|
|
| 22 | 2 |
1.2%
|
|
| 24 | 2 |
1.2%
|
|
| 26 | 13 |
8%
|
|
| 30 | 52 |
32.1%
|
|
| 60 | 4 |
2.5%
|
|
| 120 | 1 |
0.6%
|
|
| Sysmiss | 198 |