| Value | Category | Cases | |
|---|---|---|---|
| 0 | 3515 |
96.5%
|
|
| 1 | 43 |
1.2%
|
|
| 2 | 59 |
1.6%
|
|
| 3 | 22 |
0.6%
|
|
| 4 | 4 |
0.1%
|
|
| Sysmiss | 4 |