| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 132 |
38.6%
|
| 0 | 148 |
43.3%
|
|
| 1 | 1 |
0.3%
|
|
| 2 | 3 |
0.9%
|
|
| 3 | 1 |
0.3%
|
|
| 6 | 3 |
0.9%
|
|
| 8 | 1 |
0.3%
|
|
| 12 | 1 |
0.3%
|
|
| 18 | 1 |
0.3%
|
|
| 31 | 1 |
0.3%
|
|
| 35 | 1 |
0.3%
|
|
| 46 | 1 |
0.3%
|
|
| 60 | 1 |
0.3%
|
|
| 96 | 1 |
0.3%
|
|
| 100 | 1 |
0.3%
|
|
| 200 | 2 |
0.6%
|
|
| 250 | 1 |
0.3%
|
|
| 270 | 1 |
0.3%
|
|
| 300 | 1 |
0.3%
|
|
| 320 | 1 |
0.3%
|
|
| 440 | 1 |
0.3%
|
|
| 500 | 1 |
0.3%
|
|
| 550 | 1 |
0.3%
|
|
| 600 | 1 |
0.3%
|
|
| 700 | 1 |
0.3%
|
|
| 800 | 1 |
0.3%
|
|
| 870 | 1 |
0.3%
|
|
| 876 | 1 |
0.3%
|
|
| 900 | 1 |
0.3%
|
|
| 1000 | 2 |
0.6%
|
|
| 1400 | 1 |
0.3%
|
|
| 2000 | 1 |
0.3%
|
|
| 2240 | 1 |
0.3%
|
|
| 2500 | 1 |
0.3%
|
|
| 2700 | 1 |
0.3%
|
|
| 4000 | 2 |
0.6%
|
|
| 4534 | 1 |
0.3%
|
|
| 5200 | 1 |
0.3%
|
|
| 6000 | 4 |
1.2%
|
|
| 7500 | 1 |
0.3%
|
|
| 7800 | 1 |
0.3%
|
|
| 7820 | 1 |
0.3%
|
|
| 12140 | 1 |
0.3%
|
|
| 14000 | 1 |
0.3%
|
|
| 18000 | 1 |
0.3%
|
|
| 20478 | 1 |
0.3%
|
|
| 22579 | 1 |
0.3%
|
|
| 22600 | 1 |
0.3%
|
|
| 22760 | 1 |
0.3%
|
|
| 30000 | 1 |
0.3%
|
|
| 67000 | 1 |
0.3%
|
|
| 86000 | 1 |
0.3%
|
|
| 250000 | 1 |
0.3%
|
|
| 630118 | 1 |
0.3%
|
|
| Sysmiss | 10 |