| Value | Category | Cases | |
|---|---|---|---|
| 0 | 746 |
35.5%
|
|
| 1 | 602 |
28.7%
|
|
| 2 | 462 |
22%
|
|
| 3 | 201 |
9.6%
|
|
| 4 | 65 |
3.1%
|
|
| 5 | 14 |
0.7%
|
|
| 6 | 7 |
0.3%
|
|
| 7 | 2 |
0.1%
|
|
| Sysmiss | 999 |