| Value | Category | Cases | |
|---|---|---|---|
| 0 | 3808 |
80.2%
|
|
| 1 | 878 |
18.5%
|
|
| 2 | 56 |
1.2%
|
|
| 3 | 7 |
0.1%
|
|
| Sysmiss | 920 |