| Value | Category | Cases | |
|---|---|---|---|
| -8 | don't know | 32 |
0.6%
|
| 0 | 126 |
2.4%
|
|
| 1 | 1282 |
24.2%
|
|
| 2 | 1863 |
35.2%
|
|
| 3 | 1092 |
20.6%
|
|
| 4 | 390 |
7.4%
|
|
| 5 | 314 |
5.9%
|
|
| 6 | 105 |
2%
|
|
| 7 | 28 |
0.5%
|
|
| 8 | 10 |
0.2%
|
|
| 9 | 2 |
0%
|
|
| 10 | 24 |
0.5%
|
|
| 11 | 2 |
0%
|
|
| 12 | 7 |
0.1%
|
|
| 13 | 1 |
0%
|
|
| 14 | 2 |
0%
|
|
| 15 | 6 |
0.1%
|
|
| 16 | 2 |
0%
|
|
| 17 | 1 |
0%
|
|
| 18 | 2 |
0%
|
|
| 20 | 2 |
0%
|
|
| Sysmiss | 779 |