| Value | Category | Cases | |
|---|---|---|---|
| 0 | None | 63 |
50.4%
|
| 1 | 39 |
31.2%
|
|
| 2 | 19 |
15.2%
|
|
| 98 | Available but Many | 2 |
1.6%
|
| 99 | Available but number unknown | 2 |
1.6%
|
| Sysmiss | 943 |