| Value | Category | Cases | |
|---|---|---|---|
| 0 | 274 |
88.1%
|
|
| 1 | 21 |
6.8%
|
|
| 2 | 13 |
4.2%
|
|
| 3 | 2 |
0.6%
|
|
| 7 | 1 |
0.3%
|
|
| Sysmiss | 75 |