| Value | Category | Cases | |
|---|---|---|---|
| 0 | 20 |
1.1%
|
|
| 1 | 11 |
0.6%
|
|
| 2 | 23 |
1.3%
|
|
| 3 | 1740 |
97%
|
|
| Sysmiss | 8 |