| Value | Category | Cases | |
|---|---|---|---|
| 0 | 12 |
2.2%
|
|
| 1 | 313 |
56.5%
|
|
| 2 | 226 |
40.8%
|
|
| 3 | 3 |
0.5%
|
|
| Sysmiss | 2215 |