| Value | Category | Cases | |
|---|---|---|---|
| 0 | 3542 |
97.2%
|
|
| 1 | 15 |
0.4%
|
|
| 2 | 58 |
1.6%
|
|
| 3 | 25 |
0.7%
|
|
| 4 | 3 |
0.1%
|
|
| Sysmiss | 4 |