| Value | Category | Cases | |
|---|---|---|---|
| 0 | 110 |
2.5%
|
|
| 1 | 46 |
1%
|
|
| 2 | 169 |
3.8%
|
|
| 3 | 380 |
8.5%
|
|
| 4 | 3768 |
83.9%
|
|
| 888 | 16 |
0.4%
|
|
| Sysmiss | 92 |