| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 24 |
20.7%
|
| 0 | 13 |
11.2%
|
|
| 75 | 2 |
1.7%
|
|
| 100 | 2 |
1.7%
|
|
| 150 | 3 |
2.6%
|
|
| 170 | 1 |
0.9%
|
|
| 175 | 1 |
0.9%
|
|
| 200 | 1 |
0.9%
|
|
| 250 | 12 |
10.3%
|
|
| 300 | 6 |
5.2%
|
|
| 350 | 2 |
1.7%
|
|
| 400 | 1 |
0.9%
|
|
| 500 | 9 |
7.8%
|
|
| 700 | 2 |
1.7%
|
|
| 750 | 3 |
2.6%
|
|
| 900 | 1 |
0.9%
|
|
| 1000 | 4 |
3.4%
|
|
| 1200 | 1 |
0.9%
|
|
| 1250 | 3 |
2.6%
|
|
| 1500 | 2 |
1.7%
|
|
| 2000 | 5 |
4.3%
|
|
| 3000 | 5 |
4.3%
|
|
| 5000 | 6 |
5.2%
|
|
| 7000 | 1 |
0.9%
|
|
| 8000 | 1 |
0.9%
|
|
| 9000 | 1 |
0.9%
|
|
| 20000 | 1 |
0.9%
|
|
| 30000 | 1 |
0.9%
|
|
| 35000 | 1 |
0.9%
|
|
| 160000 | 1 |
0.9%
|
|
| Sysmiss | 204 |