| Value | Category | Cases | |
|---|---|---|---|
| 0 | 532 |
23.9%
|
|
| 1 | 939 |
42.3%
|
|
| 2 | 352 |
15.8%
|
|
| 3 | 213 |
9.6%
|
|
| 4 | 186 |
8.4%
|
|
| Sysmiss | 6 |