| Value | Category | Cases | |
|---|---|---|---|
| 1 | 1. YES, PRIMARY ONLY | 522 |
3%
|
| 2 | 2. YES, SECONDARY ONLY | 159 |
0.9%
|
| 3 | 3. YES, BOTH | 10 |
0.1%
|
| 4 | 4. NONE | 16989 |
96.1%
|
| Sysmiss | 8496 |