| Value | Category | Cases | |
|---|---|---|---|
| 0 | 813 |
21.2%
|
|
| 1 | 974 |
25.4%
|
|
| 2 | 1096 |
28.5%
|
|
| 3 | 540 |
14.1%
|
|
| 4 | 197 |
5.1%
|
|
| 5 | 114 |
3%
|
|
| 6 | 67 |
1.7%
|
|
| 7 | 38 |
1%
|
|
| Sysmiss | 1 |