| Value | Category | Cases | |
|---|---|---|---|
| 0 | 3072 |
92.8%
|
|
| 1 | 145 |
4.4%
|
|
| 2 | 72 |
2.2%
|
|
| 3 | 20 |
0.6%
|
|
| Sysmiss | 18 |