| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 4 |
3.1%
|
| 0 | 85 |
65.9%
|
|
| 1 | 12 |
9.3%
|
|
| 2 | 6 |
4.7%
|
|
| 3 | 4 |
3.1%
|
|
| 4 | 2 |
1.6%
|
|
| 5 | 4 |
3.1%
|
|
| 8 | 1 |
0.8%
|
|
| 9 | 1 |
0.8%
|
|
| 10 | 2 |
1.6%
|
|
| 15 | 3 |
2.3%
|
|
| 18 | 1 |
0.8%
|
|
| 50 | 1 |
0.8%
|
|
| 63 | 1 |
0.8%
|
|
| 68 | 1 |
0.8%
|
|
| 100 | 1 |
0.8%
|
|
| Sysmiss | 231 |