| Value | Category | Cases | |
|---|---|---|---|
| 0 | 2752 |
83.2%
|
|
| 1 | 368 |
11.1%
|
|
| 2 | 115 |
3.5%
|
|
| 3 | 16 |
0.5%
|
|
| 6 | 38 |
1.1%
|
|
| 7 | 20 |
0.6%
|
|
| Sysmiss | 18 |