| Value | Category | Cases | |
|---|---|---|---|
| 0 | 1185 |
10.6%
|
|
| 1 | 7940 |
71%
|
|
| 2 | 1845 |
16.5%
|
|
| 3 | 193 |
1.7%
|
|
| 4 | 21 |
0.2%
|
|
| Sysmiss | 33 |