| Value | Category | Cases | |
|---|---|---|---|
| 0 | 239 |
93%
|
|
| 1 | 8 |
3.1%
|
|
| 2 | 7 |
2.7%
|
|
| 7 | 2 |
0.8%
|
|
| 15 | 1 |
0.4%
|
|
| Sysmiss | 3903 |