| Value | Category | Cases | |
|---|---|---|---|
| 0 | 337 |
22.4%
|
|
| 1 | 819 |
54.5%
|
|
| 2 | 311 |
20.7%
|
|
| 3 | 27 |
1.8%
|
|
| 7 | 9 |
0.6%
|
|
| Sysmiss | 92 |