| Value | Category | Cases | |
|---|---|---|---|
| 0 | 915 |
11.5%
|
|
| 1 | 6130 |
77.3%
|
|
| 2 | 831 |
10.5%
|
|
| 3 | 55 |
0.7%
|
|
| 4 | 4 |
0.1%
|
|
| Sysmiss | 22 |