| Value | Category | Cases | |
|---|---|---|---|
| 0 | 168 |
5.9%
|
|
| 1 | 820 |
28.6%
|
|
| 2 | 1106 |
38.5%
|
|
| 3 | 465 |
16.2%
|
|
| 4 | 182 |
6.3%
|
|
| 5 | 94 |
3.3%
|
|
| 6 | 35 |
1.2%
|
|
| Sysmiss | 4 |