| Value | Category | Cases | |
|---|---|---|---|
| 0 | 534 |
76.4%
|
|
| 1 | 122 |
17.5%
|
|
| 2 | 32 |
4.6%
|
|
| 3 | 10 |
1.4%
|
|
| 888 | 1 |
0.1%
|
|
| Sysmiss | 871 |