| Value | Category | Cases | |
|---|---|---|---|
| 0 | 115 |
83.9%
|
|
| 1 | 14 |
10.2%
|
|
| 2 | 4 |
2.9%
|
|
| 3 | 2 |
1.5%
|
|
| 4 | 2 |
1.5%
|
|
| Sysmiss | 451 |