| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 16 |
13.6%
|
| 0 | 74 |
62.7%
|
|
| 1 | 2 |
1.7%
|
|
| 2 | 2 |
1.7%
|
|
| 3 | 1 |
0.8%
|
|
| 4 | 1 |
0.8%
|
|
| 5 | 1 |
0.8%
|
|
| 6 | 2 |
1.7%
|
|
| 10 | 3 |
2.5%
|
|
| 20 | 1 |
0.8%
|
|
| 25 | 1 |
0.8%
|
|
| 33 | 1 |
0.8%
|
|
| 40 | 1 |
0.8%
|
|
| 50 | 2 |
1.7%
|
|
| 71 | 1 |
0.8%
|
|
| 75 | 1 |
0.8%
|
|
| 80 | 2 |
1.7%
|
|
| 100 | 1 |
0.8%
|
|
| 130 | 1 |
0.8%
|
|
| 150 | 1 |
0.8%
|
|
| 600 | 1 |
0.8%
|
|
| 700 | 1 |
0.8%
|
|
| 800 | 1 |
0.8%
|
|
| Sysmiss | 284 |