| Value | Category | Cases | |
|---|---|---|---|
| 0 | 5578 |
45.6%
|
|
| 1 | 3875 |
31.7%
|
|
| 2 | 1728 |
14.1%
|
|
| 3 | 720 |
5.9%
|
|
| 4 | 260 |
2.1%
|
|
| 5 | 74 |
0.6%
|
|
| Sysmiss | 1996 |