| Value | Category | Cases | |
|---|---|---|---|
| 0 | 3161 |
95.5%
|
|
| 1 | 89 |
2.7%
|
|
| 2 | 20 |
0.6%
|
|
| 4 | 19 |
0.6%
|
|
| 5 | 20 |
0.6%
|
|
| Sysmiss | 18 |