| Value | Category | Cases | |
|---|---|---|---|
| 0 | 53 |
3.3%
|
|
| 1 | 253 |
15.7%
|
|
| 2 | 397 |
24.7%
|
|
| 3 | 423 |
26.3%
|
|
| 4 | 283 |
17.6%
|
|
| 5 | 135 |
8.4%
|
|
| 6 | 47 |
2.9%
|
|
| 7 | 14 |
0.9%
|
|
| 8 | 2 |
0.1%
|
|
| Sysmiss | 379 |