| Value | Category | Cases | |
|---|---|---|---|
| 0 | 178 |
8.2%
|
|
| 1 | 470 |
21.8%
|
|
| 2 | 919 |
42.6%
|
|
| 3 | 380 |
17.6%
|
|
| 4 | 211 |
9.8%
|
|
| Sysmiss | 5 |