| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 122 |
27.1%
|
| 0 | 8 |
1.8%
|
|
| 1 | 74 |
16.4%
|
|
| 2 | 47 |
10.4%
|
|
| 3 | 31 |
6.9%
|
|
| 4 | 1 |
0.2%
|
|
| 5 | 26 |
5.8%
|
|
| 6 | 1 |
0.2%
|
|
| 10 | 12 |
2.7%
|
|
| 15 | 1 |
0.2%
|
|
| 20 | 8 |
1.8%
|
|
| 25 | 2 |
0.4%
|
|
| 30 | 5 |
1.1%
|
|
| 35 | 2 |
0.4%
|
|
| 40 | 1 |
0.2%
|
|
| 50 | 5 |
1.1%
|
|
| 80 | 1 |
0.2%
|
|
| 90 | 1 |
0.2%
|
|
| 95 | 2 |
0.4%
|
|
| 100 | 100 |
22.2%
|
|
| Sysmiss | 1213 |