| Value | Category | Cases | |
|---|---|---|---|
| -9 | don't know | 30 |
5.6%
|
| -8 | does not apply | 475 |
88.6%
|
| -7 | refused to answer | 0 |
0%
|
| 10 | 2 |
0.4%
|
|
| 20 | 3 |
0.6%
|
|
| 36 | 1 |
0.2%
|
|
| 40 | 2 |
0.4%
|
|
| 50 | 3 |
0.6%
|
|
| 60 | 1 |
0.2%
|
|
| 62 | 1 |
0.2%
|
|
| 69 | 1 |
0.2%
|
|
| 71 | 1 |
0.2%
|
|
| 78 | 1 |
0.2%
|
|
| 80 | 1 |
0.2%
|
|
| 95 | 1 |
0.2%
|
|
| 100 | 1 |
0.2%
|
|
| 112 | 1 |
0.2%
|
|
| 135 | 1 |
0.2%
|
|
| 148 | 2 |
0.4%
|
|
| 152 | 1 |
0.2%
|
|
| 154 | 1 |
0.2%
|
|
| 170 | 1 |
0.2%
|
|
| 231 | 1 |
0.2%
|
|
| 254 | 1 |
0.2%
|
|
| 368 | 1 |
0.2%
|
|
| 823 | 1 |
0.2%
|
|
| 958 | 1 |
0.2%
|
|
| Sysmiss | 220 |