| Value | Category | Cases | |
|---|---|---|---|
| 0 | 3035 |
91.7%
|
|
| 1 | 191 |
5.8%
|
|
| 2 | 19 |
0.6%
|
|
| 4 | 37 |
1.1%
|
|
| 9 | 27 |
0.8%
|
|
| Sysmiss | 18 |