| Value | Category | Cases | |
|---|---|---|---|
| 0 | 1597 |
56%
|
|
| 1 | 692 |
24.2%
|
|
| 2 | 515 |
18%
|
|
| 3 | 45 |
1.6%
|
|
| 4 | 4 |
0.1%
|
|
| 5 | 1 |
0%
|
|
| Sysmiss | 9553 |