| Value | Category | Cases | |
|---|---|---|---|
| 0 | 3512 |
96.4%
|
|
| 1 | 45 |
1.2%
|
|
| 2 | 68 |
1.9%
|
|
| 3 | 17 |
0.5%
|
|
| 4 | 1 |
0%
|
|
| Sysmiss | 4 |