| Value | Category | Cases | |
|---|---|---|---|
| 0 | 5956 |
84.6%
|
|
| 1 | 909 |
12.9%
|
|
| 2 | 161 |
2.3%
|
|
| 3 | 14 |
0.2%
|
|
| 4 | 2 |
0%
|
|
| Sysmiss | 4 |