| Value | Category | Cases | |
|---|---|---|---|
| 0 | 1987 |
97.3%
|
|
| 1 | 20 |
1%
|
|
| 2 | 26 |
1.3%
|
|
| 3 | 10 |
0.5%
|
|
| Sysmiss | 10 |