| Value | Category | Cases | |
|---|---|---|---|
| 0 | 76 |
3.5%
|
|
| 1 | 138 |
6.4%
|
|
| 2 | 504 |
23.3%
|
|
| 3 | 308 |
14.3%
|
|
| 4 | 532 |
24.6%
|
|
| 5 | 517 |
23.9%
|
|
| 6 | 31 |
1.4%
|
|
| 7 | 53 |
2.5%
|
|
| Sysmiss | 4 |