| Value | Category | Cases | |
|---|---|---|---|
| 0 | 24 |
0.2%
|
|
| 1 | 8434 |
81.3%
|
|
| 2 | 69 |
0.7%
|
|
| 3 | 1561 |
15%
|
|
| 4 | 291 |
2.8%
|
|
| Sysmiss | 4 |