| Value | Category | Cases | |
|---|---|---|---|
| 0 | 28 |
0.6%
|
|
| 1 | 1135 |
22.5%
|
|
| 2 | 1154 |
22.9%
|
|
| 3 | 968 |
19.2%
|
|
| 4 | 662 |
13.1%
|
|
| 5 | 629 |
12.5%
|
|
| 6 | 467 |
9.3%
|
|
| Sysmiss | 23699 |