| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 422 |
31.6%
|
| 0 | 866 |
64.9%
|
|
| 3 | 1 |
0.1%
|
|
| 5 | 3 |
0.2%
|
|
| 6 | 1 |
0.1%
|
|
| 10 | 4 |
0.3%
|
|
| 11 | 1 |
0.1%
|
|
| 14 | 1 |
0.1%
|
|
| 20 | 3 |
0.2%
|
|
| 30 | 2 |
0.1%
|
|
| 40 | 1 |
0.1%
|
|
| 60 | 1 |
0.1%
|
|
| 80 | 1 |
0.1%
|
|
| 100 | 1 |
0.1%
|
|
| 120 | 1 |
0.1%
|
|
| 250 | 1 |
0.1%
|
|
| 300 | 1 |
0.1%
|
|
| 500 | 1 |
0.1%
|
|
| 700 | 1 |
0.1%
|
|
| 1000 | 5 |
0.4%
|
|
| 1500 | 1 |
0.1%
|
|
| 2000 | 4 |
0.3%
|
|
| 3000 | 2 |
0.1%
|
|
| 3500 | 1 |
0.1%
|
|
| 5000 | 3 |
0.2%
|
|
| 6000 | 1 |
0.1%
|
|
| 7000 | 1 |
0.1%
|
|
| 8000 | 1 |
0.1%
|
|
| 50000 | 1 |
0.1%
|
|
| 1100000 | 1 |
0.1%
|
|
| 3500000 | 1 |
0.1%
|
|
| Sysmiss | 2 |