| Value | Category | Cases | |
|---|---|---|---|
| -8 | don't know | 271 |
19.8%
|
| 0 | 1032 |
75.2%
|
|
| 9 | 1 |
0.1%
|
|
| 10 | 1 |
0.1%
|
|
| 20 | 4 |
0.3%
|
|
| 25 | 1 |
0.1%
|
|
| 40 | 1 |
0.1%
|
|
| 50 | 19 |
1.4%
|
|
| 60 | 2 |
0.1%
|
|
| 70 | 1 |
0.1%
|
|
| 100 | 11 |
0.8%
|
|
| 150 | 6 |
0.4%
|
|
| 180 | 1 |
0.1%
|
|
| 200 | 10 |
0.7%
|
|
| 250 | 3 |
0.2%
|
|
| 300 | 1 |
0.1%
|
|
| 320 | 1 |
0.1%
|
|
| 350 | 1 |
0.1%
|
|
| 400 | 1 |
0.1%
|
|
| 500 | 1 |
0.1%
|
|
| 640 | 1 |
0.1%
|
|
| 1000 | 2 |
0.1%
|
|
| Sysmiss | 5113 |