| Value | Category | Cases | |
|---|---|---|---|
| 0 | 1302 |
86.6%
|
|
| 1 | 111 |
7.4%
|
|
| 2 | 67 |
4.5%
|
|
| 3 | 22 |
1.5%
|
|
| 888 | 1 |
0.1%
|
|
| Sysmiss | 92 |