| Value | Category | Cases | |
|---|---|---|---|
| 0 | 429 |
9.6%
|
|
| 1 | 64 |
1.4%
|
|
| 2 | 165 |
3.7%
|
|
| 3 | 279 |
6.2%
|
|
| 4 | 3552 |
79.1%
|
|
| Sysmiss | 92 |