| Value | Category | Cases | |
|---|---|---|---|
| 1 | YES, PRIMARY ONLY | 27 |
8.6%
|
| 2 | YES, SECONDARY ONLY | 2 |
0.6%
|
| 3 | YES, BOTH | 0 |
0%
|
| 4 | NONE | 284 |
90.7%
|
| Sysmiss | 27069 |