| Value | Category | Cases | |
|---|---|---|---|
| 1 | 2451 |
9.6%
|
|
| 2 | 2085 |
8.2%
|
|
| 3 | 1860 |
7.3%
|
|
| 4 | 1477 |
5.8%
|
|
| 5 | 1498 |
5.9%
|
|
| 6 | 2180 |
8.6%
|
|
| 7 | 1321 |
5.2%
|
|
| 8 | 1554 |
6.1%
|
|
| 9 | 1357 |
5.3%
|
|
| 10 | 1341 |
5.3%
|
|
| 11 | 1653 |
6.5%
|
|
| 12 | 2472 |
9.7%
|
|
| 98 | don't know | 4197 |
16.5%
|
| Sysmiss | 13272 |