| Value | Category | Cases | |
|---|---|---|---|
| 0 | 5 |
1.5%
|
|
| 1 | 2 |
0.6%
|
|
| 2 | 320 |
97.6%
|
|
| 3 | 1 |
0.3%
|
|
| Sysmiss | 1623 |