| Value | Category | Cases | |
|---|---|---|---|
| 0 | 143 |
6.6%
|
|
| 1 | 236 |
11%
|
|
| 2 | 354 |
16.4%
|
|
| 3 | 722 |
33.6%
|
|
| 4 | 697 |
32.4%
|
|
| Sysmiss | 11 |