| Value | Category | Cases | |
|---|---|---|---|
| 0 | 325 |
23.8%
|
|
| 1 | 258 |
18.9%
|
|
| 2 | 225 |
16.5%
|
|
| 3 | 269 |
19.7%
|
|
| 4 | 112 |
8.2%
|
|
| 5 | 53 |
3.9%
|
|
| 6 | 29 |
2.1%
|
|
| 7 | 94 |
6.9%
|
|
| Sysmiss | 216 |