| Value | Category | Cases | |
|---|---|---|---|
| 1 | 1 | 3261 |
96.1%
|
| 2 | 2 | 133 |
3.9%
|
| 999 | 3 | 0 |
0%
|
| Sysmiss | 4 | 0 | |
| Sysmiss | 5 | 0 | |
| Sysmiss | 6 | 0 | |
| Sysmiss | 7 | 0 | |
| Sysmiss | 809 |