| Value | Category | Cases | |
|---|---|---|---|
| -2 | dont know | 7 |
7.3%
|
| -1 | refuse | 0 |
0%
|
| 1 | 6 |
6.3%
|
|
| 2 | 7 |
7.3%
|
|
| 3 | 12 |
12.5%
|
|
| 4 | 4 |
4.2%
|
|
| 5 | 8 |
8.3%
|
|
| 6 | 3 |
3.1%
|
|
| 7 | 18 |
18.8%
|
|
| 10 | 5 |
5.2%
|
|
| 14 | 3 |
3.1%
|
|
| 15 | 3 |
3.1%
|
|
| 20 | 3 |
3.1%
|
|
| 30 | 13 |
13.5%
|
|
| 40 | 1 |
1%
|
|
| 45 | 1 |
1%
|
|
| 60 | 1 |
1%
|
|
| 90 | 1 |
1%
|
|
| Sysmiss | 953 |