| Value | Category | Cases | |
|---|---|---|---|
| 0 | 43 |
2.9%
|
|
| 1 | 16 |
1.1%
|
|
| 2 | 61 |
4.1%
|
|
| 3 | 122 |
8.1%
|
|
| 4 | 1259 |
83.8%
|
|
| 888 | 2 |
0.1%
|
|
| Sysmiss | 92 |