| Value | Category | Cases | |
|---|---|---|---|
| -8 | don't know | 60 |
1.1%
|
| 0 | 1252 |
23.7%
|
|
| 1 | 918 |
17.3%
|
|
| 2 | 1350 |
25.5%
|
|
| 3 | 850 |
16.1%
|
|
| 4 | 352 |
6.7%
|
|
| 5 | 333 |
6.3%
|
|
| 6 | 72 |
1.4%
|
|
| 7 | 10 |
0.2%
|
|
| 8 | 23 |
0.4%
|
|
| 9 | 5 |
0.1%
|
|
| 10 | 61 |
1.2%
|
|
| 12 | 1 |
0%
|
|
| 13 | 1 |
0%
|
|
| 14 | 2 |
0%
|
|
| 15 | 2 |
0%
|
|
| 20 | 1 |
0%
|
|
| Sysmiss | 779 |