| Value | Category | Cases | |
|---|---|---|---|
| 0 | 721 |
91.3%
|
|
| 1 | 51 |
6.5%
|
|
| 2 | 5 |
0.6%
|
|
| 3 | 12 |
1.5%
|
|
| 888 | 1 |
0.1%
|
|
| Sysmiss | 905 |