| Value | Category | Cases | |
|---|---|---|---|
| -9 | refused to answer | 2 |
0.9%
|
| -8 | don't know | 20 |
9.4%
|
| 10 | 12 |
5.7%
|
|
| 15 | 5 |
2.4%
|
|
| 18 | 1 |
0.5%
|
|
| 20 | 29 |
13.7%
|
|
| 25 | 2 |
0.9%
|
|
| 30 | 17 |
8%
|
|
| 35 | 1 |
0.5%
|
|
| 40 | 5 |
2.4%
|
|
| 45 | 5 |
2.4%
|
|
| 50 | 49 |
23.1%
|
|
| 60 | 2 |
0.9%
|
|
| 70 | 3 |
1.4%
|
|
| 80 | 2 |
0.9%
|
|
| 100 | 38 |
17.9%
|
|
| 150 | 5 |
2.4%
|
|
| 200 | 8 |
3.8%
|
|
| 260 | 1 |
0.5%
|
|
| 300 | 2 |
0.9%
|
|
| 345 | 1 |
0.5%
|
|
| 350 | 1 |
0.5%
|
|
| 500 | 1 |
0.5%
|
|
| Sysmiss | 4 |