| Value | Category | Cases | |
|---|---|---|---|
| 1 | yes | 1428 |
68%
|
| 2 | no | 661 |
31.5%
|
| 3 | N/A | 8 |
0.4%
|
| a | 2 |
0.1%
|
|
| Sysmiss | 1 |