| Value | Category | Cases | |
|---|---|---|---|
| 1 | 1005 |
21.2%
|
|
| 2 | 2825 |
59.7%
|
|
| 3 | 878 |
18.6%
|
|
| 888 | 4 |
0.1%
|
|
| 999 | 18 |
0.4%
|
|
| Sysmiss | 99 |