| Value | Category | Cases | |
|---|---|---|---|
| 0 | 53 |
3.5%
|
|
| 1 | 41 |
2.7%
|
|
| 2 | 100 |
6.7%
|
|
| 3 | 263 |
17.5%
|
|
| 4 | 1042 |
69.3%
|
|
| 888 | 4 |
0.3%
|
|
| Sysmiss | 92 |