| Value | Category | Cases | |
|---|---|---|---|
| 0 | 427 |
12.3%
|
|
| 1 | 2370 |
68.1%
|
|
| 2 | 493 |
14.2%
|
|
| 3 | 133 |
3.8%
|
|
| 4 | 58 |
1.7%
|
|
| 6 | 1 |
0%
|
|
| Sysmiss | 1297 |