| Value | Category | Cases | |
|---|---|---|---|
| 0 | 3539 |
78.8%
|
|
| 1 | 126 |
2.8%
|
|
| 2 | 103 |
2.3%
|
|
| 3 | 102 |
2.3%
|
|
| 4 | 616 |
13.7%
|
|
| 888 | 3 |
0.1%
|
|
| Sysmiss | 92 |