| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 473 |
80%
|
| 0 | 57 |
9.6%
|
|
| 3 | 2 |
0.3%
|
|
| 4 | 3 |
0.5%
|
|
| 5 | 4 |
0.7%
|
|
| 6 | 3 |
0.5%
|
|
| 7 | 4 |
0.7%
|
|
| 8 | 1 |
0.2%
|
|
| 9 | 3 |
0.5%
|
|
| 11 | 1 |
0.2%
|
|
| 12 | 1 |
0.2%
|
|
| 14 | 1 |
0.2%
|
|
| 17 | 1 |
0.2%
|
|
| 19 | 1 |
0.2%
|
|
| 23 | 2 |
0.3%
|
|
| 240 | 1 |
0.2%
|
|
| 400 | 1 |
0.2%
|
|
| 500 | 2 |
0.3%
|
|
| 600 | 1 |
0.2%
|
|
| 800 | 1 |
0.2%
|
|
| 1000 | 1 |
0.2%
|
|
| 1200 | 1 |
0.2%
|
|
| 1500 | 1 |
0.2%
|
|
| 1800 | 1 |
0.2%
|
|
| 2000 | 2 |
0.3%
|
|
| 4500 | 1 |
0.2%
|
|
| 5000 | 1 |
0.2%
|
|
| 5600 | 1 |
0.2%
|
|
| 6000 | 1 |
0.2%
|
|
| 6500 | 3 |
0.5%
|
|
| 7000 | 1 |
0.2%
|
|
| 8000 | 1 |
0.2%
|
|
| 8500 | 1 |
0.2%
|
|
| 9000 | 1 |
0.2%
|
|
| 10000 | 1 |
0.2%
|
|
| 14400 | 1 |
0.2%
|
|
| 15000 | 1 |
0.2%
|
|
| 17000 | 2 |
0.3%
|
|
| 18000 | 1 |
0.2%
|
|
| 28000 | 1 |
0.2%
|
|
| 60000 | 1 |
0.2%
|
|
| 80000 | 1 |
0.2%
|
|
| 140000 | 1 |
0.2%
|
|
| 160000 | 1 |
0.2%
|
|
| Sysmiss | 10 |