| Value | Category | Cases | |
|---|---|---|---|
| 0 | 41 |
2%
|
|
| 1 | 196 |
9.7%
|
|
| 2 | 557 |
27.5%
|
|
| 3 | 488 |
24.1%
|
|
| 4 | 192 |
9.5%
|
|
| 5 | 309 |
15.3%
|
|
| 6 | 82 |
4.1%
|
|
| 7 | 157 |
7.8%
|
|
| Sysmiss | 762 |