| Value | Category | Cases | |
|---|---|---|---|
| 1 | 1 | 847 |
12.1%
|
| 2 | 2 | 489 |
7%
|
| 3 | 3 | 566 |
8.1%
|
| 4 | 4 | 517 |
7.4%
|
| 5 | 5 | 830 |
11.9%
|
| 6 | 6 | 579 |
8.3%
|
| 7 | 7 | 381 |
5.5%
|
| 8 | 8 | 528 |
7.6%
|
| 9 | 9 | 349 |
5%
|
| 10 | 10 | 451 |
6.5%
|
| 11 | 11 | 315 |
4.5%
|
| 12 | 12 | 415 |
5.9%
|
| 98 | Don't know | 716 |
10.3%
|