| Value | Category | Cases | |
|---|---|---|---|
| 0 | 1 |
0.2%
|
|
| 1 | 40 |
8.1%
|
|
| 2 | 451 |
91.3%
|
|
| 3 | 2 |
0.4%
|
|
| Sysmiss | 1457 |