| Value | Category | Cases | |
|---|---|---|---|
| 0 | 56 |
1.8%
|
|
| 1 | 135 |
4.3%
|
|
| 2 | 448 |
14.3%
|
|
| 3 | 433 |
13.9%
|
|
| 4 | 2054 |
65.7%
|
|
| Sysmiss | 218 |