| Value | Category | Cases | |
|---|---|---|---|
| 0 | 115 |
2.6%
|
|
| 1 | 21 |
0.5%
|
|
| 2 | 152 |
3.4%
|
|
| 3 | 291 |
6.5%
|
|
| 4 | 3890 |
86.7%
|
|
| 888 | 20 |
0.4%
|
|
| Sysmiss | 92 |