| Value | Category | Cases | |
|---|---|---|---|
| 0 | 25 |
0.2%
|
|
| 1 | 1545 |
14.2%
|
|
| 2 | 1875 |
17.2%
|
|
| 3 | 2333 |
21.4%
|
|
| 4 | 1724 |
15.8%
|
|
| 5 | 1501 |
13.8%
|
|
| 6 | 1847 |
16.9%
|
|
| 7 | 27 |
0.2%
|
|
| 8 | 21 |
0.2%
|
|
| 98 | don't know | 13 |
0.1%
|
| 99 | 5 |
0%
|
|
| 101 | .Z | 7838 |