| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 28 |
35.4%
|
| 0 | 3 |
3.8%
|
|
| 120 | 1 |
1.3%
|
|
| 200 | 2 |
2.5%
|
|
| 370 | 1 |
1.3%
|
|
| 400 | 1 |
1.3%
|
|
| 450 | 1 |
1.3%
|
|
| 500 | 1 |
1.3%
|
|
| 800 | 1 |
1.3%
|
|
| 1000 | 2 |
2.5%
|
|
| 1050 | 1 |
1.3%
|
|
| 1500 | 2 |
2.5%
|
|
| 1800 | 1 |
1.3%
|
|
| 2000 | 6 |
7.6%
|
|
| 2200 | 1 |
1.3%
|
|
| 2500 | 1 |
1.3%
|
|
| 2800 | 1 |
1.3%
|
|
| 3000 | 3 |
3.8%
|
|
| 4000 | 4 |
5.1%
|
|
| 5000 | 3 |
3.8%
|
|
| 6000 | 3 |
3.8%
|
|
| 8000 | 2 |
2.5%
|
|
| 10000 | 5 |
6.3%
|
|
| 15000 | 2 |
2.5%
|
|
| 20000 | 1 |
1.3%
|
|
| 24000 | 1 |
1.3%
|
|
| 30000 | 1 |
1.3%
|
|
| Sysmiss | 228 |