| Value | Category | Cases | |
|---|---|---|---|
| 0 | 990 |
22.1%
|
|
| 1 | 2462 |
54.8%
|
|
| 2 | 921 |
20.5%
|
|
| 3 | 81 |
1.8%
|
|
| 7 | 35 |
0.8%
|
|
| Sysmiss | 92 |