| Value | Category | Cases | |
|---|---|---|---|
| 1 | N/A | 27 |
2.7%
|
| 2 | One | 22 |
2.2%
|
| 3 | Three | 20 |
2%
|
| 4 | Two | 20 |
2%
|
| Sysmiss | 909 |