| Value | Category | Cases | |
|---|---|---|---|
| 0 | 1 | 2 |
0.2%
|
| 1 | 3 | 1 |
0.1%
|
| 2 | 4 | 936 |
99.5%
|
| 3 | 98 | 2 |
0.2%
|
| Sysmiss | 189 |