| Value | Category | Cases | |
|---|---|---|---|
| 0 | 2997 |
90.6%
|
|
| 1 | 220 |
6.6%
|
|
| 2 | 39 |
1.2%
|
|
| 3 | 15 |
0.5%
|
|
| 5 | 19 |
0.6%
|
|
| 6 | 19 |
0.6%
|
|
| Sysmiss | 18 |