| Value | Category | Cases | |
|---|---|---|---|
| 0 | 3090 |
34.5%
|
|
| 1 | 3547 |
39.6%
|
|
| 2 | 1900 |
21.2%
|
|
| 3 | 356 |
4%
|
|
| 4 | 46 |
0.5%
|
|
| 5 | 9 |
0.1%
|
|
| 6 | 2 |
0%
|
|
| 8 | 1 |
0%
|
|
| Sysmiss | 42 |