| Value | Category | Cases | |
|---|---|---|---|
| 0 | 385 |
83.9%
|
|
| 1 | 54 |
11.8%
|
|
| 2 | 13 |
2.8%
|
|
| 3 | 5 |
1.1%
|
|
| 4 | 2 |
0.4%
|
|
| Sysmiss | 141 |