| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 546 |
82.6%
|
| 0 | 87 |
13.2%
|
|
| 40 | 1 |
0.2%
|
|
| 50 | 3 |
0.5%
|
|
| 60 | 1 |
0.2%
|
|
| 100 | 1 |
0.2%
|
|
| 180 | 1 |
0.2%
|
|
| 200 | 1 |
0.2%
|
|
| 300 | 1 |
0.2%
|
|
| 500 | 1 |
0.2%
|
|
| 1200 | 2 |
0.3%
|
|
| 2000 | 1 |
0.2%
|
|
| 3000 | 3 |
0.5%
|
|
| 6000 | 1 |
0.2%
|
|
| 12000 | 1 |
0.2%
|
|
| 13800 | 1 |
0.2%
|
|
| 21000 | 1 |
0.2%
|
|
| 23000 | 2 |
0.3%
|
|
| 50000 | 2 |
0.3%
|
|
| 100000 | 2 |
0.3%
|
|
| 216000 | 1 |
0.2%
|
|
| 500000 | 1 |
0.2%
|
|
| Sysmiss | 435 |