| Value | Category | Cases | |
|---|---|---|---|
| 0 | 157 |
10.4%
|
|
| 1 | 83 |
5.5%
|
|
| 2 | 116 |
7.7%
|
|
| 3 | 405 |
26.9%
|
|
| 4 | 736 |
49%
|
|
| 888 | 6 |
0.4%
|
|
| Sysmiss | 92 |