| Value | Category | Cases | |
|---|---|---|---|
| 0 | 42 |
2.8%
|
|
| 1 | 11 |
0.7%
|
|
| 2 | 61 |
4.1%
|
|
| 3 | 123 |
8.2%
|
|
| 4 | 1266 |
84.2%
|
|
| Sysmiss | 92 |